• health psychology; developmental psychology; children; mental health; epidemiology; sleep

 

Academic article

• Suman Ranjitkar; Mari Hysing; Ram Krishna Chandyo et al. (2026). Prenatal maternal selenium plasma concentration and motor development in early infancy. (external link)
• Børge Sivertsen; Allison G. Harvey; Øystein Vedaa et al. (2026). Sleep Across the Pandemic in Norwegian University and College Students: A National Repeated Cross‐Sectional Analysis (2010–2023). (external link)
• Marit Burkeland-Lie; Jens Christoffer Skogen; Børge Sivertsen et al. (2026). Parenting After Child Maltreatment: A Study of Maternal Parenting Strategies and the Parent-child Relationship. (external link)
• Roshan Sintakala; Suman Ranjitkar; Ram Krishna Chandyo et al. (2025). The Behavior Rating Inventory of Executive Function-Preschool Version in Nepali Children With Poor Growth in Infancy. (external link)
• Merina Shrestha; Børge Sivertsen; Daman Poudel et al. (2026). Sleep knowledge, training, and clinical practices among healthcare professionals in a tertiary hospital in Nepal. (external link)
• Ingrid Kvestad; Manjeswori Ulak; Adrian McCann et al. (2025). The Effect of Vitamin B-12 Supplementation During Pregnancy on Early Motor Performance: Secondary Analyses From a Double-Blinded Randomized Controlled Trial. (external link)
• Sondre Aasen Nilsen; Mari Hysing; Børge Sivertsen (2025). Parental separation and mental health problems among university students. (external link)
• Børge Sivertsen; Jens Christoffer Skogen; Keith J. Petrie et al. (2025). Mental health and suicidal ideation from 2010 to 2023 among university students: national repeated cross-sectional analysis. (external link)
• Lisa-Christine Girard; Martin Okolikj; Mari Hysing et al. (2025). Lifetime prevalence of mental disorders and the costs for civic engagement among college and university students: Insights from the Norwegian SHoT2022 cohort. (external link)
• Mari Hysing; Keith J. Petrie; Allison G. Harvey et al. (2025). From loneliness to depression: A longitudinal diagnostic study among Norwegian university students. (external link)
• Børge Sivertsen; Mari Hysing; Tormod Bøe (2025). The association between financial strain, psychological distress and subsequent depression: findings from a Norwegian national study. (external link)
• Børge Sivertsen; Rory C. O'Connor; Daryl B. O'Connor et al. (2025). Non-suicidal self-harm among adolescents with substantiated childhood maltreatment: Findings from the Norwegian Triple-S Study. (external link)
• Sofie Øvstebø Næss; Børge Sivertsen; Mari Hysing et al. (2025). School Functioning Among Norwegian Children With a History of Maltreatment. (external link)
• Ram Krishna Chandyo; Suman Ranjitkar; Ulak Manjeswori et al. (2025). One-Year Daily Micronutrient Supplementation and Anemia Prevalence Among Mildly Stunted Infants in Bhaktapur, Nepal. (external link)
• Ove Heradstveit; Siren Haugland; Mari Hysing et al. (2020). Physical inactivity, non-participation in sports and socioeconomic status: a large population-based study among Norwegian adolescents. (external link)
• Ove Heradstveit; Jens Christoffer Skogen; Jørn Hetland et al. (2019). Psychiatric diagnoses differ considerably in their associations with alcohol/drug-related problems among adolescents. A Norwegian population-based survey linked with national patient registry data. (external link)
• Annika Skandsen; Sondre Aasen Nilsen; Mari Hysing et al. (2024). Associations Between Distinct Trauma Classes and Mental Health Care Utilization in Norwegian Adolescents: A National Registry Study. (external link)
• Thorvald Fossåen Ask; Suman Ranjitkar; Manjeswori Ulak et al. (2019). The association between heart rate variability and neurocognitive and socio-emotional development in nepalese infants. (external link)
• Bente Storm Mowatt Haugland; Mari Hysing; Valborg Baste et al. (2021). Sleep duration and insomnia in adolescents seeking treatment for anxiety in primary health care. (external link)
• Ove Heradstveit; Jens Christoffer Skogen; Tormod Bøe et al. (2018). Prospective associations between childhood externalising and internalising problems and adolescent alcohol and drug use: The Bergen Child Study. (external link)
• Suman Ranjitkar; Ingrid Kvestad; Ram Krishna Chandyo et al. (2025). The Association between Prenatal Maternal Selenium Concentration and Neurodevelopment in Early Childhood, Results from a Mother–Child Cohort Study. (external link)
• Jens Christoffer Skogen; Børge Sivertsen; Astri Lundervold et al. (2014). Alcohol and drug use among adolescents: and the co-occurrence of mental health problems. Ung@hordaland, a population-based study. (external link)
• Hanne Marit Bjørgaas; Irene Bircow Elgen; Mari Hysing (2020). Trajectories of psychiatric disorders in a cohort of children with cerebral palsy across four years. (external link)
• Kristine Marie Stangenes; Mari Hysing; Maria Vollsæter et al. (2025). Sleep problems from age two to five years and neurological outcome in children born extremely preterm: a cross-sectional study. (external link)
• Tormod Bøe; Simon Nygaard Øverland; Astri Lundervold et al. (2012). Socioeconomic status and children’s mental health: results from the Bergen Child Study. (external link)
• Børge Sivertsen; Marit Knapstad; Keith Petrie et al. (2022). Changes in mental health problems and suicidal behaviour in students and their associations with COVID-19-related restrictions in Norway: A national repeated cross-sectional analysis. (external link)
• Viktor Schønning; Anders Dovran; Mari Hysing et al. (2021). Study protocol: the Norwegian Triple-S Cohort Study - establishing a longitudinal health survey of children and adolescents with experiences of maltreatment. (external link)
• Kaia Kjørstad; Mari Hysing; Anders Dovran et al. (2025). The use of and satisfaction with health and care services for children and adolescents with a history of maltreatment. (external link)
• Børge Sivertsen; Mari Hysing; Eike Wehling et al. (2013). Neuropsychological performance in older insomniacs. (external link)
• Oda Vik Burmo; Kristine Skilbrei Bøen; Mari Hysing et al. (2025). “I did not feel the need to disclose”: identifying factors impeding the disclosure of child abuse experiences in a population with maltreatment history. (external link)
• Mari Hysing; Ståle Pallesen; Kjell Morten Stormark et al. (2015). Sleep and use of electronic devices in adolescence: Results from a large population-based study. (external link)
• Mari Hysing; Allison G. Harvey; Kjell Morten Stormark et al. (2018). Precursors of delayed sleep phase in adolescence: a population-based longitudinal study. (external link)
• Ingrid Kvestad; Jaya S. Silpakar; Mari Hysing et al. (2023). The reliability and predictive ability of the Test of Infant Motor Performance (TIMP) in a community-based study in Bhaktapur, Nepal. (external link)
• Ottar Birgisson; Erlingur Sigurdur Johannsson; Hege Randi Eriksen et al. (2025). The relationship between online communication and mental health and cardiorespiratory fitness from ages 15 to 17: a longitudinal cohort study. (external link)
• Kateryna Karhina; Tormod Bøe; Mari Hysing et al. (2023). Parental separation, negative life events and mental health problems in adolescence. (external link)
• Øystein Vedaa; Eilin K. Erevik; Mari Hysing et al. (2019). Insomnia, sleep duration and academic performance: A national survey of Norwegian college and university students. (external link)
• Børge Sivertsen; Maj-Britt Roccio Posserud; Christopher Gillberg et al. (2012). Sleep problems in children with autism spectrum problems: a longitudinal population-based study. (external link)
• Kristin Gärtner Askeland; Tormod Bøe; Børge Sivertsen et al. (2022). Association of Depressive Symptoms in Late Adolescence and School Dropout. (external link)
• Børge Sivertsen; Tormod Bøe; Jens Christoffer Skogen et al. (2017). Moving into poverty during childhood is associated with later sleep problems. (external link)
• Solbjørg Makalani Myrtveit; Børge Sivertsen; Jens Christoffer Skogen et al. (2014). Adolescent neck and shoulder pain - the association with depression, physical activity, screen-based activities, and use of health care services. (external link)
• Mari Hysing; Allison G. Harvey; Steven J. Linton et al. (2016). Sleep and academic performance in later adolescence: results from a large population-based study. (external link)
• Kristin Gärtner Askeland; Elise Samset Lorentsen; Emilie Raes et al. (2024). Physical Activity and School Achievement and School Absence in Norwegian Adolescents. (external link)
• Hanne Marit Bjørgaas; Irene Bircow Elgen; Mari Hysing (2021). Illness perception in children with cerebral palsy, a longitudinal cohort study. (external link)
• Ove Heradstveit; Mari Hysing; Tormod Bøe et al. (2023). Prospective associations between adolescent risky substance use and school dropout and the role of externalising and internalising problems. (external link)
• Ove Heradstveit; Kristin Gärtner Askeland; Tormod Bøe et al. (2022). Substance-Related Problems in Adolescents with ADHD-Diagnoses: The Importance of Self-Reported Conduct Problems. (external link)
• Børge Sivertsen; Allison G. Harvey; Ted Reichborn-Kjennerud et al. (2015). Later Emotional and Behavioral Problems Associated With Sleep Problems in Toddlers. A Longitudinal Study. (external link)
• Silje Katrine Elgen Fevang; Ada Røiseland Madland; Irene Bircow Elgen et al. (2022). Symptoms and antecedents of autism in children born extremely premature: a national population-based study. (external link)
• Kristine Marie Stangenes; Mari Hysing; Irene Bircow Elgen et al. (2019). Sleep problems, behavioural problems and respiratory health in children born extremely preterm: a parental questionnaire study. (external link)
• Mari Hysing; Børge Sivertsen; Susan Niegel et al. (2016). Pediatric sleep problems and social-emotional problems. A population-based study. (external link)
• Mari Hysing; Kristin Gärtner Askeland; Annette M. La Greca et al. (2019). Bullying Involvement in Adolescence: Implications for Sleep, Mental Health, and Academic Outcomes. (external link)
• Catherine Schwinger; Shakun Sharma; Ram K Chandyo et al. (2021). Cobalamin and folate status in women during early pregnancy in Bhaktapur, Nepal. (external link)
• Anette Christine Iversen; Reidar Jakobsen; Toril Havik et al. (2007). Mental Health Problems among Child Welfare Clients Living at Home. (external link)
• Ingrid Kvestad; Manjeswori Ulak Chandyo; Suman Ranjitkar et al. (2024). Social withdrawal behaviour in Nepalese infants and the relationship with future neurodevelopment; a longitudinal cohort study. (external link)
• Hilde Katrin Ryland; Mari Hysing; Maj-Britt Rocio Posserud et al. (2014). Autistic features in school age children: IQ and gender effects in a population-based cohort. (external link)
• Hanne Marit Bjørgaas; Irene Bircow Elgen; Hilde Katrin Ryland et al. (2014). Autism spectrum symptoms in children with cerebral palsy: Prevalence and co-occurring conditions. (external link)
• Viktor Schønning; Mari Hysing; Anders Dovran et al. (2023). Sleep and childhood maltreatment: A matched-control study of sleep characteristics in Norwegian 16–19-year-olds. (external link)
• Marit Burkeland-Lie; Mari Hysing; Anders Dovran et al. (2025). TOPSE for babies in Norwegian: Examining the reliability of a tool to measure parenting self-efficacy. (external link)
• Børge Sivertsen; Morten Birkeland Nielsen; Ida E.H. Madsen et al. (2019). Sexual harassment and assault among university students in Norway. A cross-sectional prevalence study. (external link)
• Nandita Perumal; Karim P. Manji; Anne Marie Darling et al. (2021). Gestational Age, Birth Weight, and Neurocognitive Development in Adolescents in Tanzania. (external link)
• Christopher R. Sudfeld; Karim P. Manji; Anne Marie Darling et al. (2019). Effect of antenatal and infant micronutrient supplementation on middle childhood and early adolescent development outcomes in Tanzania. (external link)
• Merina Shrestha; Tor A Strand; Manjeswori Ulak et al. (2019). The feasibility of the Ages and Stages Questionnaire for the assessment of child development in a community setting in Nepal. (external link)
• Ingrid Kvestad; Sunita Taneja; Ravi Prakash Upadhyay et al. (2020). Vitamin B12, folate, and cognition in 6-to 9-year-olds: a randomized controlled trial. (external link)
• Astri Lundervold; Kyrre Breivik; Maj-Britt Rocio Posserud et al. (2013). Symptoms of depression as reported by Norwegian adolescents on the Short Mood and Feelings Questionnaire. (external link)
• Kaia Kjørstad; Øystein Vedaa; Ståle Pallesen et al. (2022). Circadian preference in young adults: Associations with sleep and mental health outcomes from a national survey of Norwegian university students. (external link)
• Ingrid Kvestad; Suman Ranjitkar; Manjeswori Ulak et al. (2019). Earthquake exposure and post-traumatic stress among nepalese mothers after the 2015 earthquakes. (external link)
• Linn Nyjordet Evanger; Bjørn Bjorvatn; Ståle Pallesen et al. (2023). Later school start time is associated with longer school day sleep duration and less social jetlag among Norwegian high school students: Results from a large-scale, cross-sectional study. (external link)
• Mila Kingsbury; Bjørn-Atle Reme; Jens Christoffer Skogen et al. (2020). Differential associations between types of social media use and university students' non-suicidal self-injury and suicidal behavior. (external link)
• Sanne C. Smid; Joop Hox; Einar Heiervang et al. (2018). Measurement Equivalence and Convergent Validity of a Mental Health Rating Scale. (external link)
• Ottar Birgisson; Mari Hysing; Hege Randi Eriksen et al. (2023). The relationship between online communication and adolescents’ mental health: Long-term evaluation between genders. (external link)
• Mari Hysing; Ståle Pallesen; Kjell Morten Stormark et al. (2013). Sleep patterns and insomnia among adolescents: a population-based study. (external link)
• Tormod Bøe; Mari Hysing; Kristin Gärtner Askeland et al. (2021). Do Parental Education-Related Inequality Matter in Child and Adolescent Utilization of Mental Health Services: Results From a Norwegian Register Linkage Study. (external link)
• Maj-Britt Rocio Posserud; Mari Hysing; Wenche A Helland et al. (2016). Autism traits: The importance of “co-morbid” problems for impairment and contact with services. Data from the Bergen Child Study. (external link)
• Suman Ranjitkar; Tor Arne Strand; Manjeswori Ulak Chandyo et al. (2022). Impact of the COVID-19 pandemic on daily life and worry among mothers in Bhaktapur, Nepal. (external link)
• Ingrid Kvestad; Ram Krishna Chandyo; Catherine Schwinger et al. (2022). Biomass fuel use for cooking in Nepalese families and child cognitive abilities, results from a community-based study. (external link)
• Ingvild West Saxvig; Ståle Pallesen; Børge Sivertsen et al. (2021). Sleep during COVID-19-related school lockdown, a longitudinal study among high school students. (external link)
• Ove Heradstveit; Nathalie Gjertsen; Anette Christine Iversen et al. (2020). Substance-related problems among adolescents in child welfare services: A comparison between individuals receiving in-home services and those in foster care. (external link)
• Eivind Ystrøm; Mari Hysing; Leila Torgersen et al. (2017). Maternal Symptoms of Anxiety and Depression and Child Nocturnal Awakenings at 6 and 18 Months. (external link)
• Børge Sivertsen; Nick Glozier; Allison G. Harvey et al. (2015). Academic performance in adolescents with delayed sleep phase. (external link)
• Mari Hysing; Irene Elgen; Christopher Gillberg et al. (2009). Emotional and behavioural problems in subgroups of children with chronic illness: results from a large-scale population study. (external link)
• Børge Sivertsen; Mari Hysing; Signe Karen Dørheim et al. (2015). Trajectories of maternal sleep problems before and after childbirth: a longitudinal population-based study. (external link)
• Ravi Prakash Upadhyay; Sunita Taneja; Tor Arne Strand et al. (2022). Early child stimulation, linear growth and neurodevelopment in low birth weight infants. (external link)
• Berit Skretting Solberg; Mari Hysing; Tormod Bøe et al. (2014). Holdninger til bruk av medisiner hos voksne med ADHD målt ved hjelp av Beliefs about Medicines Questionnaire (BMQ). (external link)
• Bente Storm Mowatt Haugland; Mari Hysing; Asle Hoffart et al. (2021). Effect of early intervention for anxiety on sleep outcomes in adolescents: a randomized trial. (external link)
• Silje Katrine Elgen Fevang; Mari Hysing; Kristian Sommerfelt et al. (2017). Mental health assessed by the Strengths and Difficulties Questionnaire for children born extremely preterm without severe disabilities at 11 years of age: a Norwegian, national population-based study. (external link)
• Kristine Marie Stangenes; Mari Hysing; Silje Katrine Elgen Fevang et al. (2018). Prenatal and neonatal factors predicting sleep problems in children born extremely preterm or with extremely low birthweight. (external link)
• Gunnhild Johnsen Hjetland; Jens Christoffer Skogen; Mari Hysing et al. (2025). How and when screens are used: comparing different screen activities and sleep in Norwegian university students. (external link)
• Børge Sivertsen; Paula Salo; Arnstein Mykletun et al. (2012). The bidirectional association between depression and insomnia: The HUNT Study. (external link)
• Ingrid Kvestad; Mari Hysing; Marian Kjellevold et al. (2021). Maternal cod intake during pregnancy and infant development in the first year of life: Secondary analyses from a randomized controlled trial. (external link)
• Kjell Morten Stormark; Hedvik Elisabeth Fosse; Ståle Pallesen et al. (2019). The association between sleep problems and academic performance in primary school-aged children: Findings from a Norwegian longitudinal population-based study. (external link)
• Ingvild West Saxvig; Linn Nyjordet Evanger; Ståle Pallesen et al. (2021). Circadian typology and implications for adolescent sleep health. Results from a large, cross-sectional, school-based study. (external link)
• Stine Lehmann; Kristin Gärtner Askeland; Mari Hysing (2020). Sleep among youths in foster care: Associations with potentially traumatic events, PTSD and mental health. (external link)
• Linn Nyjordet Evanger; Ståle Pallesen; Ingvild W. Saxvig et al. (2024). Associations between sleep duration, insomnia, depression, anxiety and registry-based school grades: A longitudinal study among high-school students. (external link)
• Hanne Marit Bjørgaas; Mari Hysing; Irene Bircow Elgen (2019). Do mental health disorders matter in pre-adolescents with cerebral palsy?. (external link)
• Irene Øyeflaten; Mari Hysing; Hege Randi Eriksen (2008). Prognostic factors associated with return to work following multidisciplinary vocational rehabilitation. (external link)
• Cecilie L. Vestergaard; Jens C. Skogen; Mari Hysing et al. (2024). Sleep duration and mental health in young adults. (external link)
• Ingrid Kvestad; Adrian McCann; Ram K. Chandyo et al. (2021). One-Carbon Metabolism in Nepalese Infant-Mother Pairs and Child Cognition at 5 Years Old. (external link)
• Mari Hysing; Ove Heradstveit; Allison G. Harvey et al. (2020). Sleep problems among adolescents within child and adolescent mental health services. An epidemiological study with registry linkage. (external link)
• Sondre Aasen Nilsen; Kyrre Breivik; Bente Wold et al. (2020). Divorce and adolescent academic achievement: Heterogeneity in the associations by parental education. (external link)
• Børge Sivertsen; Ståle Pallesen; Liv Sand et al. (2014). Sleep and body mass index in adolescence: results from a large population-based study of Norwegian adolescents aged 16 to 19 years. (external link)
• Siri Kaldenbach; Mari Hysing; Tor A. Strand et al. (2024). Energy drink consumption and sleep parameters in college and university students: a national cross-sectional study. (external link)
• Merina Shrestha; Catherine Schwinger; Mari Hysing et al. (2020). Agreement between mothers and fieldworkers while assessing child development using ages and stages questionnaires, Third edition in Nepal. (external link)
• Mari Hysing; Irene Bircow Elgen; Christopher Gillberg et al. (2007). Chronic physical illness and mental health in children. Results from a large-scale population study. (external link)
• Hilde Katrin Ryland; Astri Lundervold; Irene Bircow Elgen et al. (2010). Is there a protective effect of normal to high intellectual function on mental health in children with chronic illness?. (external link)
• Tormod Bøe; Einar Røshol Heiervang; Kjell Morten Stormark et al. (2021). Prevalence of psychiatric disorders in norwegian 10-14-year-olds: Results from a cross-sectional study. (external link)
• Monica Jensen; Erling Garbo; Helle Kleive et al. (2016). Gutter i Norge med skadelig seksuell atferd. (external link)
• Børge Sivertsen; Allison G. Harvey; Michael Gradisar et al. (2020). Delayed sleep–wake phase disorder in young adults: prevalence and correlates from a national survey of Norwegian university students. (external link)
• Ove Heradstveit; Mari Hysing; Sondre Aasen Nilsen et al. (2020). Symptoms of disordered eating and participation in individual- and team sports: A population-based study of adolescents. (external link)
• Ram Krishna Chandyo; Manjeswori Ulak; Ingrid Kvestad et al. (2018). Cobalamin and folate status among breastfed infants in Bhaktapur, Nepal. (external link)
• Veslemøy Sandvik; Mari Hysing; Astri Johansen Lundervold (2007). Bruk av Strenghs and Difficulties Questionnaire i kartlegging av psykiske vansker hos barn med utviklingshemning. (external link)
• Jens Christoffer Skogen; Børge Sivertsen; Mari Hysing et al. (2019). Economic Circumstances in Childhood and Subsequent Substance Use in Adolescence – A Latent Class Analysis: The youth@hordaland Study. (external link)
• Dag Øystein Nordanger; Kyrre Breivik; Bente Storm Mowatt Haugland et al. (2014). Prior adversities predict posttraumatic stress reactions in adolescents following the Oslo Terror events 2011. (external link)
• Børge Sivertsen; Jens Christoffer Skogen; Reidar Jakobsen et al. (2015). Sleep and use of alcohol and drug in adolescence. A large population-based study of Norwegian adolescents aged 16 to 19 years. (external link)
• Tor A Strand; Manjeswori Ulak; Ram Krishna Chandyo et al. (2017). The effect of vitamin B12 supplementation in Nepalese infants on growth and development: Study protocol for a randomized controlled trial. (external link)
• Andrew L. Thorne-Lyman; Merina Shrestha; Wafaie W. Fawzi et al. (2019). Dietary diversity and child development in the far west of Nepal: A cohort study. (external link)
• Ranadip Chowdhury; Sunita Taneja; Ingrid Kvestad et al. (2020). Vitamin D Status in Early Childhood Is Not Associated With Cognitive Development and Linear Growth at 6-9 Years of Age in North Indian Children: A Cohort Study. (external link)
• Hilde Katrin Ryland; Mari Hysing; Maj-Britt Rocio Posserud et al. (2012). Autism Spectrum Symptoms in Children with Neurological Disorders. (external link)
• Mari Hysing; Keith Petrie; Tormod Bøe et al. (2016). The social gradient of sleep in adolescence: results from the youth@hordaland survey. (external link)
• Børge Sivertsen; Mari Hysing; Allison G. Harvey et al. (2021). The Epidemiology of Insomnia and Sleep Duration Across Mental and Physical Health: The SHoT Study. (external link)
• Ravi Prakash Upadhyay; Mari Hysing; Sunita Taneja et al. (2020). Linear growth between early and late childhood and cognitive outcomes at 6 to 9 years of age. (external link)
• Liv Sand; Bryan Lask; Mari Hysing et al. (2014). In the parents’ view: weight perception accuracy, disturbed eating patterns and mental health problems among young adolescents. (external link)
• Ravi Prakash Upadhyay; Sunita Taneja; Tor Arne Strand et al. (2022). Milk-cereal mix supplementation during infancy and impact on neurodevelopmental outcomes at 12 and 24 months of age: A randomized controlled trial in India. (external link)
• Joakim Hellumbråten Kristensen; Ståle Pallesen; Daniel Luke King et al. (2021). Problematic gaming and sleep: A systematic review and meta-analysis. (external link)
• Ram Krishna Chandyo; Suman Ranjitkar; Jaya S. Silpakar et al. (2024). Sleep characteristics and changes in sleep patterns among infants in Bhaktapur, Nepal. (external link)
• Maria Wik; Ingrid Kvestad; Lisa Kolden Midtbø et al. (2018). Effects of cod intake in pregnancy on iodine nutrition and infant development: study protocol for Mommy’s Food - a randomized controlled trial. (external link)
• Kristin Gärtner Askeland; Tormod Bøe; Astri J. Lundervold et al. (2020). The association between symptoms of depression and school absence in a population-based study of late adolescents. (external link)
• Eilin K. Erevik; Øystein Vedaa; Ståle Pallesen et al. (2023). The five-factor model's personality traits and social and emotional loneliness: Two large-scale studies among Norwegian students. (external link)
• Ottar Birgisson; Hege Randi Eriksen; Mari Hysing et al. (2024). Adolescent mental health and cardiorespiratory fitness: A comparison of two cohorts 12 years apart. (external link)
• Mari Hysing; Astri Lundervold; Maj-Britt Rocio Posserud et al. (2016). Association between sleep problems and symptoms of attention deficit hyperactivity disorder in adolescence: results from a large population-based study. (external link)
• Camilla Sigvaldsen Løvvik; Simon Nygaard Øverland; Mari Hysing et al. (2014). Associations between illness perceptions and return-to-work expectations in workers with common mental health symptoms. (external link)
• Astri Lundervold; Marte Stickert; Mari Hysing et al. (2016). Attention deficits in children with combined autism and ADHD: A CPT study. (external link)
• Hanne Marit Bjørgaas; Mari Hysing; Irene Bircow Elgen (2012). Psychiatric disorders among children with Cerebral Palsy at school starting age. (external link)
• Jannike Øyen; Ingrid Kvestad; Lisa Kolden Midtbø et al. (2018). Fatty fish intake and cognitive function: FINS-KIDS, a randomized controlled trial in preschool children. (external link)
• Ove Heradstveit; Jens Christoffer Skogen; Jørn Hetland et al. (2017). Alcohol and illicit drug use are important factors for school-related problems among adolescents. (external link)
• Manjeswori Ulak Chandyo; Ingrid Kvestad; Ram Krishna Chandyo et al. (2022). The effect of infant vitamin B12 supplementation on neurodevelopment: A follow-up of a randomized placebo-controlled trial in Nepal.. (external link)
• Tormod Bøe; Mari Hysing; Henrik Daae Zachrisson (2016). Low family income and behavior problems in Norwegian preschoolers: Is child emotionality a marker for sensitivity of influence?. (external link)
• Kristin Gärtner Askeland; Mari Hysing; Børge Sivertsen et al. (2019). Factor Structure and Psychometric Properties of the Resilience Scale for Adolescents (READ). (external link)
• Brita Askeland Winje; Ingrid Kvestad; Srinivasan Krishnamachari et al. (2018). Does early vitamin B12 supplementation improve neurodevelopment and cognitive function in childhood and into school age: a study protocol for extended follow-ups from randomised controlled trials in India and Tanzania. (external link)
• Hedvik Elisabeth Fosse; Ståle Pallesen; Mari Hysing et al. (2011). Time in bed, sleep sufficiency and emotional and behavioral problems in a general population of 10-12 year old children. (external link)
• Erik Grasaas; Mari Hysing; Øyvind Bucher Sandbakk (2024). The relationship between sleep duration and physical activity level among Norwegian adolescents: a cross-sectional study. (external link)
• Dag Øystein Nordanger; Mari Hysing; Maj-Britt Rocio Posserud et al. (2013). Posttraumatic responses to the July 22, 2011 Oslo terror among Norwegian High School students. (external link)
• Ingrid Kvestad; Sunita Taneja; Tivendra Kumar et al. (2015). Vitamin B12 and folic acid improve gross motor and problem-solving skills in young North Indian children: A randomized placebo-controlled trial. (external link)
• Suman Ranjitkar; Mari Hysing; Ingrid Kvestad et al. (2019). Determinants of cognitive development in the early life of children in Bhaktapur, Nepal. (external link)
• Børge Sivertsen; Mari Hysing; Marit Knapstad et al. (2019). Suicide attempts and non-suicidal self-harm among university students: Prevalence study. (external link)
• Kristin Gärtner Askeland; Mari Hysing; Leif Edvard Aarø et al. (2015). Mental health problems and resilience in international adoptees: results from a population-based study of Norwegian adolescents aged 16-19 years. (external link)
• Claire Ghetti; Lucja Bieleninik; Mari Hysing et al. (2019). Longitudinal study of music therapy's effectiveness for premature infants and their caregivers (LongSTEP): Protocol for an international randomised trial. (external link)
• Børge Sivertsen; Ståle Pallesen; Kjell Morten Stormark et al. (2013). Delayed sleep phase syndrome in adolescents: prevalence and correlates in a large population based study. (external link)
• Ove Heradstveit; Bente Storm Mowatt Haugland; Sondre Aasen Nilsen et al. (2021). Parental Mental Illness as a Risk Factor for Adolescent Psychiatric Disorders: A Registry-Based Study of Specialized Child and Adolescent Health Services. (external link)
• Børge Sivertsen; Keith James Petrie; Jens Christoffer Skogen et al. (2017). Insomnia before and after childbirth: The risk of developing postpartum pain—A longitudinal population-based study. (external link)
• Kristin Gärtner Askeland; Rebecca Lynn Radlick; Tormod Bøe et al. (2024). Parental unemployment and educational outcomes in late adolescence: the importance of family cohesion, parental education, and family income in a Norwegian study. (external link)
• Hanne Marit Bjørgaas; Irene Bircow Elgen; Mari Hysing (2022). Mental Health in Pre-Adolescents with Cerebral Palsy: Exploring the Strengths and Difficulties Questionnaire as a Screening Tool in a Follow-up Study including Multi-Informants. (external link)
• Merina Shrestha; Manjeswori Ulak; Tor A Strand et al. (2017). How much do Nepalese mothers know about child development?. (external link)
• Kristin Gärtner Askeland; Børge Sivertsen; Jens Christoffer Skogen et al. (2017). Alcohol and drug use among internationally adopted adolescents: Results from a Norwegian population-based study. (external link)
• Kristine Marie Stangenes; Silje Katrine Elgen Fevang; Jacob Holter Grundt et al. (2017). Children born extremely preterm had different sleeping habits at 11 years of age and more childhood sleep problems than term-born children. (external link)
• Jens Christoffer Skogen; Ann Kristin Knudsen; Mari Hysing et al. (2016). Trajectories of alcohol use and association with symptoms of depression from early to late adolescence: The Norwegian Longitudinal Health Behaviour Study. (external link)
• Mari Hysing; Keith James Petrie; Tormod Bøe et al. (2017). Parental work absenteeism is associated with increased symptom complaints and school absence in adolescent children. (external link)
• Bente Storm Mowatt Haugland; Mari Hysing; Yngvild Sørebø Danielsen et al. (2024). Unique associations between strategies of coping with COVID-19-related stress and internalizing symptoms in a clinical sample of adolescents. (external link)
• Børge Sivertsen; Allison G. Harvey; Ståle Pallesen et al. (2015). Mental health problems in adolescents with delayed sleep phase: results from a large population-based study in Norway. (external link)
• Børge Sivertsen; Rory C. O’Connor; Sondre Aasen Nilsen et al. (2023). Mental health problems and suicidal behavior from adolescence to young adulthood in college: linking two population-based studies. (external link)
• Børge Sivertsen; Allison G. Harvey; Ted Reichborn-Kjennerud et al. (2020). Sleep problems and depressive symptoms in toddlers and 8-year-old children: A longitudinal study. (external link)
• Mia Amalie Jensen Almås; Ove Heradstveit; Kristin Gärtner Askeland et al. (2021). Sleep patterns and insomnia among adolescents receiving child welfare services: A population-based study. (external link)
• Mari Hysing; Allison G. Harvey; Tormod Bøe et al. (2020). Trajectories of sleep problems from adolescence to adulthood. Linking two population-based studies from Norway. (external link)
• Gunnhild Johnsen Hjetland; Jens Christoffer Skogen; Mari Hysing et al. (2021). The Association Between Self-Reported Screen Time, Social Media Addiction, and Sleep Among Norwegian University Students. (external link)
• Sondre Aasen Nilsen; Mari Hysing; Kyrre Breivik et al. (2019). Complex families and health complaints among adolescents: A population-based cross-sectional study. (external link)
• Øystein Hetlevik; Tormod Bøe; Mari Hysing (2018). GP-diagnosed internalizing and externalizing problems and dropout from secondary school: a cross-sectional study. (external link)
• Astri J. Lundervold; Lin Sørensen; Maj-Britt Rocio Posserud et al. (2023). Low Persistence of Inattention Symptoms From Childhood to Adolescence: A Population-Based Study. (external link)
• Børge Sivertsen; Allison G Harvey; Ståle Pallesen et al. (2016). Trajectories of sleep problems from childhood to adolescence: a population-based longitudinal study from Norway. (external link)
• Mari Hysing; Ted Reichborn-Kjennerud; Trond Markestad et al. (2019). Sleep Duration and Nocturnal Awakenings in Infants Born with Gestational Risk. (external link)
• Ingrid Kvestad; Mari Hysing; Suman Ranjitkar et al. (2022). The stability of the Bayley scales in early childhood and its relationship with future intellectual abilities in a low to middle income country. (external link)
• Merete Røineland Benestad; Jorunn Drageset; Hege Synnøve Havstad Clemm et al. (2021). Self-Reported Health in Adolescents With Exercise-Induced Laryngeal Obstruction; A Cross-Sectional Study. (external link)
• Børge Sivertsen; Allison G Harvey; Astri J Lundervold et al. (2014). Sleep problems and depression in adolescence: results from a large population-based study of Norwegian adolescents aged 16-18 years. (external link)
• Ingrid Kvestad; Silje Vabø; Marian Kjellevold et al. (2018). Fatty fish, hair mercury and cognitive function in Norwegian preschool children: Results from the randomized controlled trial FINS-KIDS. (external link)
• Børge Sivertsen; Mari Hysing (2004). The revised illness perception questionnaire. (external link)
• Iris Mulders Steine; Jens Christoffer Skogen; Mari Hysing et al. (2021). Sexual harassment and assault predict sleep disturbances and is partly mediated by nightmares: Findings from a national survey of all university students in Norway. (external link)
• Mari Hysing; Ingrid Kvestad; Marian Kjellevold et al. (2018). Fatty fish intake and the effect on mental health and sleep in preschool children in FINS-KIDS, a randomized controlled trial. (external link)
• Annika Skandsen; Mari Hysing; Kristin Gärtner Askeland et al. (2023). Using Norwegian National Patient Registry data to understand associations between potentially traumatic life experiences and mental health care use in adolescence. (external link)
• Lisbeth Beate Sandtorv; Mari Hysing; Malin Rognlid et al. (2017). Mental Health in School-Aged Children Prenatally Exposed to Alcohol and Other Substances. (external link)
• Kristin Gärtner Askeland; Siren Haugland; Kjell Morten Stormark et al. (2015). Adolescent school absenteeism and service use in a population-based study. (external link)
• Liv Sand; Tormod Bøe; Roz Shafran et al. (2021). Perfectionism in Adolescence: Associations With Gender, Age, and Socioeconomic Status in a Norwegian Sample. (external link)
• Børge Sivertsen; Øystein Vedaa; Allison G. Harvey et al. (2018). Sleep patterns and insomnia in young adults: a national survey of Norwegian university students. (external link)
• Yngvild Sørebø Danielsen; Ståle Pallesen; Børge Sivertsen et al. (2020). Weekday time in bed and obesity risk in adolescence. (external link)
• Ingrid Kvestad; Sunita Taneja; Tivendra Kumar et al. (2013). The assessment of developmental status using the Ages and Stages questionnaire-3 in nutritional research in north Indian young children. (external link)
• Bente Storm Mowatt Haugland; Mari Hysing; Børge Sivertsen (2023). Does It Matter Who You Provide Care for? Mental Health and Life Satisfaction in Young Adult Carers Associated with Type of Relationship and Illness Category—A National Student Survey. (external link)
• Merina Shrestha; Ingrid Kvestad; Mari Hysing et al. (2024). The relationship between the ages and stages questionnaire, 3rd edition scores in early childhood and future cognitive abilities in young Nepalese children. (external link)
• Jens Christoffer Skogen; Tormod Bøe; Børge Sivertsen et al. (2018). Use of alcohol, tobacco and illicit drugs among ethnic Norwegian and ethnic minority adolescents in Hordaland county, Norway: the youth@hordaland-survey. (external link)
• Bente Storm Mowatt Haugland; Mari Hysing; Børge Sivertsen (2020). The Burden of Care: A National Survey on the Prevalence, Demographic Characteristics and Health Problems Among Young Adult Carers Attending Higher Education in Norway. (external link)
• Tormod Bøe; Mari Hysing; Jens Christoffer Skogen et al. (2016). The Strengths and Difficulties Questionnaire (SDQ): Factor structure and gender equivalence in Norwegian adolescents. (external link)
• Suman Ranjitkar; Ingrid Kvestad; Tor A Strand et al. (2018). Acceptability and reliability of the Bayley Scales of infant and Toddler Development-III Among Children in Bhaktapur, Nepal. (external link)
• Ingvild W. Saxvig; Bjørn Bjorvatn; Mari Hysing et al. (2020). Sleep in older adolescents. Results from a large cross-sectional, population-based study. (external link)
• Sondre Aasen Nilsen; Ingrid Kvestad; Sølve Bjørn Randal et al. (2022). Mental health among unaccompanied refugee minors after settling in Norway: A matched cross-sectional study. (external link)
• Tormod Bøe; Anna Sofia Serlachius; Børge Sivertsen et al. (2017). Cumulative effects of negative life events and family stress on children’s mental health: the Bergen Child Study. (external link)
• Torill Helene Tveito; Mari Hysing; Hege Randi Eriksen (2004). Low back pain interventions at the workplace: A systematic review. (external link)
• Rebekka Furuhaug; Vivian Markussen; Mari Hysing et al. (2024). Mental health, negative life events and resilience among adolescents in contact with the child welfare services. (external link)
• Mari Hysing; Keith James Petrie; Tormod Bøe et al. (2020). Only the lonely: a study of loneliness among university students in Norway. (external link)
• Stine Lehmann; Jens Christoffer Skogen; Ellen Haug et al. (2021). Perceived consequences and worries among youth in Norway during the COVID-19 pandemic lockdown. (external link)
• Mari Hysing; Allison G. Harvey; Ann Kristin Skrindo Knudsen et al. (2025). Mind at rest, mind at risk: A prospective population-based study of sleep and subsequent mental disorders. (external link)
• Ingrid Kvestad; Sunita Taneja; Mari Hysing et al. (2015). Diarrhea, stimulation and growth predict neurodevelopment in young North Indian Children. (external link)
• Sigrun Henjum; Ingrid Kvestad; Merina Shrestha et al. (2018). Erythrocyte DHA and AA in infancy is not associated with developmental status and cognitive functioning five years later in Nepalese children. (external link)
• Ingrid Kvestad; Mari Hysing; Merina Shrestha et al. (2017). Vitamin B-12 status in infancy is positively associated with development and cognitive functioning 5 y later in Nepalese children. (external link)
• Kristin Gärtner Askeland; Børge Sivertsen; Mari Hysing (2020). Sleep patterns and insomnia among internationally adopted adolescents. (external link)
• Tormod Bøe; Mari Hysing; Kari Jussie Lønning et al. (2020). Financial Difficulties and Student Health: Results from a National Cross-Sectional Survey of Norwegian College and University students. (external link)
• Mari Hysing; Irene Bircow Elgen; Christopher Gillberg et al. (2009). Emotional and behavioural problems in subgroups of children with chronic illness: results from a large-scale population study. (external link)
• Hanne Marit Bjørgaas; Irene Bircow Elgen; Tormod Bøe et al. (2013). Mental health in children with cerebral palsy: does screening capture the Complexity?. (external link)
• Kristin Gärtner Askeland; Tormod Bøe; Kyrre Breivik et al. (2020). Life events and adolescent depressive symptoms: Protective factors associated with resilience. (external link)
• Tormod Bøe; Keith James Petrie; Børge Sivertsen et al. (2019). Interplay of subjective and objective economic well-being on the mental health of Norwegian adolescents. (external link)
• Tormod Bøe; Børge Sivertsen; Einar Heiervang et al. (2014). Socioeconomic status and child mental health: the role of parental emotional well-being and parenting practices. (external link)
• Børge Sivertsen; Tea Lallukka; Paula Salo et al. (2014). Insomnia as a risk factor for ill health: Results from the large population-based prospective HUNT Study in Norway. (external link)
• Amalie Austgulen; Maj-Britt Rocio Posserud; Mari Hysing et al. (2024). Deliberate self-harm in adolescents screening positive for attention-deficit / hyperactivity disorder: a population-based study. (external link)
• Børge Sivertsen; Mari Hysing; Irene Bircow Elgen et al. (2009). Chronicity of sleep problems in children with chronic illness. A longitudinal population-based study. (external link)
• Sondre Aasen Nilsen; Malin Bergström; Børge Sivertsen et al. (2022). Sleep in adolescence: Considering family structure and family complexity. (external link)
• Kateryna Karhina; Tormod Bøe; Mari Hysing et al. (2023). Parental separation and school dropout in adolescence. (external link)
• Kaitlyn E. Brodar; Annette M. La Greca; Mari Hysing et al. (2020). Stressors, Repetitive Negative Thinking, and Insomnia Symptoms in Adolescents Beginning High School. (external link)
• Keith James Petrie; Børge Sivertsen; Mari Hysing et al. (2001). Thoroughly Modern Worries: The relationship of worries about modernity to reported symptoms, health, and medical care utilization. (external link)
• Mari Hysing; Børge Sivertsen; Kjell Morten Stormark et al. (2009). Sleep in children with chronic illness, and the relation to emotional and behavioral problems. A population-based study. (external link)
• Silje Katrine Elgen Fevang; Mari Hysing; Kristian Sommerfelt et al. (2019). Development and predictors of childhood mental health problems in former extremely preterm infants. (external link)
• Viktor Schønning; Anders Dovran; Mari Hysing et al. (2024). Mental health in Norwegian children and adolescents exposed to childhood maltreatment: a comparison to a general population sample. (external link)
• Mari Hysing; Tor Arne Strand; Ram K Chandyo et al. (2021). The effect of vitamin B12-supplementation on actigraphy measured sleep pattern; a randomized control trial. (external link)
• Børge Sivertsen; Keith James Petrie; Ane Wilhelmsen-Langeland et al. (2014). Mental health in adolescents with Type 1 diabetes: Results from a large population-based study. (external link)
• Amie C. Hayley; Børge Sivertsen; Mari Hysing et al. (2017). Sleep difficulties and academic performance in Norwegian higher education students. (external link)
• Astri Lundervold; Jocelyn I. Meza; Mari Hysing et al. (2017). Parent Rated Symptoms of Inattention in Childhood Predict High School Academic Achievement Across Two Culturally and Diagnostically Diverse Samples. (external link)
• Catherine Schwinger; Ram K. Chandyo; Manjeswori Ulak et al. (2020). Prevalence of underweight, overweight, and obesity in adults in Bhaktapur, Nepal in 2015–2017. (external link)
• Bente Storm Mowatt Haugland; Mari Hysing; Børge Sivertsen (2022). Study progress, recreational activities, and loneliness in young adult carers: a national student survey. (external link)
• Mari Hysing; Keith J. Petrie; Allison G. Harvey et al. (2023). Loneliness Across the COVID-19 Pandemic: Risk Factors in Norwegian Young People. (external link)
• Tor A Strand; Manjeswori Ulak Chandyo; Mari Hysing et al. (2020). Effects of vitamin B12 supplementation on neurodevelopment and growth in Nepalese Infants: A randomized controlled trial. (external link)
• Jens Christoffer Skogen; Tormod Bøe; Ann Kristin Knudsen et al. (2013). Psychometric properties and concurrent validity of the CRAFFT among Norwegian adolescents. Ung@ hordaland, a population-based study. (external link)
• S.V. Bauducco; L. Tilton-Weaver; M. Gradisar et al. (2025). Sleep trajectories and frequency of non-suicidal self-injury in adolescents: a person-oriented perspective over two years. (external link)
• Tormod Bøe; Jens Christoffer Skogen; Børge Sivertsen et al. (2017). Economic volatility in childhood and subsequent adolescent mental health problems: a longitudinal populationbased study of adolescents. (external link)
• Mari Hysing; Siren Haugland; Kjell Morten Stormark et al. (2015). Sleep and school attendance in adolescence: Results from a large population-based study. (external link)
• Lisa-Christine Girard; Tormod Bøe; Sondre Aasen Nilsen et al. (2024). Developmental trajectories of conduct problems and time-varying peer problems: the Bergen child study. (external link)
• Hilde Thorsen Ystrøm; Wendy Nilsen; Mari Hysing et al. (2017). Sleep Problems in Preschoolers and Maternal Depressive Symptoms: An Evaluation of Mother- and Child-Driven Effects. (external link)
• Mari Hysing; Børge Sivertsen; Sondre Aasen Nilsen et al. (2023). Sleep and dropout from upper secondary school: A register-linked study. (external link)
• Kristin Gärtner Askeland; Mari Hysing; Børge Sivertsen (2022). The Importance of Perceived Discrimination and Pre-Adoption Risk for Mental Health Problems among Young Adult Internationally Adopted Students in Norway. (external link)
• Sondre Aasen Nilsen; Kristin Gärtner Askeland; Tormod Bøe et al. (2022). Joint Physical Custody and Academic Achievement Among Youth: A Population-Based Study With Registry Linkage. (external link)
• Ram K. Chandyo; Ingrid Kvestad; Manjeswori Ulak Chandyo et al. (2023). The effect of vitamin B12 supplementation during pregnancy on infant growth and development in Nepal: a community-based, double-blind, randomised, placebo-controlled trial. (external link)
• Maria Wik Markhus; Mari Hysing; Lisa Kolden Midtbø et al. (2020). Effects of Two Weekly Servings of Cod for 16 weeks in Pregnancy on Maternal Iodine Status and Infant Neurodevelopment: Mommy's Food, a Randomized-Controlled Trial. (external link)
• Tormod Bøe; Mari Hysing; Kjell Morten Stormark et al. (2012). Sleep problems as a mediator of the association between parental education levels, perceived family economy and poor mental health in children. (external link)
• Solbjørg Makalani Myrtveit; Børge Sivertsen; Siren Haugland et al. (2017). Health complaints in late adolescence; Frequency, factor structure and the association with socio-economic status. (external link)
• Ove Heradstveit; Mari Hysing; Kyrre Breivik et al. (2023). Negative Life Events, Protective Factors, and Substance-Related Problems: A Study of Resilience in Adolescence. (external link)
• Mari Hysing; Allison G. Harvey; Leila Torgesen et al. (2014). Trajectories and predictors of nocturnal awakenings and sleep duration in infants. (external link)
• Silje Katrine Elgen Fevang; Mari Hysing; Trond Markestad et al. (2016). Mental Health in Children Born Extremely Preterm Without Severe Neurodevelopmental Disabilities. (external link)
• Ravi Prakash Upadhyay; Ram Krishna Chandyo; Ingrid Kvestad et al. (2019). Parental height modifies the association between linear growth and neurodevelopment in infancy. (external link)
• Stine Lehmann; Mari Hysing; Børge Sivertsen (2024). Academic Performance, Health and Support Needs: Comparing Foster Care Alumni and Peers in Higher Education in Norway. (external link)

Academic literature review

• Mari Hysing; Tormod Bøe (2013). Måleegenskaper ved den norske versjonen av Fem til Femten (5-15). (external link)
• Mari Hysing; Børge Sivertsen; Kjell Morten Stormark et al. (2015). Sleep problems and self-harm in adolescence. (external link)
• Kristin Gärtner Askeland; Mari Hysing; Annette M. La Greca et al. (2016). Mental health in internationally adopted adolescents: a meta-analysis. (external link)
• Mari Hysing; Børge Sivertsen (2013). Måleegenskaper ved den norske versjonen av Søvnvaner hos barn, Children Sleep Habits Questionnaire (CSHQ). (external link)
• Hege Kornør; Thomas Jozefiak; Ketil Hanssen-Bauer et al. (2015). Forsvarlig testbruk. (external link)
• Mari Hysing (2014). Søvnvansker ved ADHD. (external link)
• Elisabeth Leirgul; Mari Hysing; Gottfried Greve et al. (2021). Physical and mental health in young adults with heart disease - A national survey of Norwegian university students. (external link)
• Ram Krishna Chandyo; Manjeswori Ulak; Ingrid Kvestad et al. (2017). The effects of vitamin B12 supplementation in pregnancy and postpartum on growth and neurodevelopment in early childhood: Study Protocol for a Randomized Placebo Controlled Trial. (external link)
• Lin Sørensen; Mari Hysing (2014). Måleegenskaper ved den norske foreldreversjonen av Behavior Rating Inventory of Executive Function (BRIEF). (external link)
• Mari Hysing; Reidar Jakobsen (2017). Måleegenskaper ved den norske versjonen av Adolescent Sleep-Wake Scale (ASWS). (external link)
• Viktor Schønning; Børge Sivertsen; Mari Hysing et al. (2022). Childhood maltreatment and sleep in children and adolescents: A systematic review and meta-analysis. (external link)
• Tormod Bøe; Mari Hysing (2011). Måleegenskaper ved den norske versjonen av Brown Attention-Deficit Disorder Scales for Children and Adolescents, 3-7 år (Brown ADD Scales 3-7). (external link)
• Mari Hysing; Tormod Bøe (2012). Måleegenskaper ved den norske versjonen av Brown Attention-Deficit Disorder Scales for Children and Adolescents, 8-12 år (Brown ADD 8-12). (external link)
• Hege Kornør; Mari Hysing (2011). Måleegenskaper ved den norske versjonen av Adult ADHD Self Report Scale, 1.1 (ASRS). (external link)

Doctoral thesis (PhD)

• Tormod Bøe; Mari Hysing; Astri Lundervold et al. (2013). Socioeconomic status and mental health in children and adolescents. (external link)
• Ingrid Kvestad; Tor A Strand; Mari Hysing et al. (2016). Biological Risks and Neurodevelopment in Young North Indian Children. (external link)
• Mari Hysing (2010). Mental health in children with chronic illness. (external link)
• Ove Heradstveit; Mari Hysing; Jens Christoffer Skogen et al. (2019). Alcohol- and drug use among adolescents. School-related problems, childhood mental health problems, and psychiatric diagnoses. (external link)
• Silje Katrine Elgen Fevang; Kristian Sommerfelt; Mari Hysing (2016). Mental health among children born extremely preterm or with extremely low birth weight at preschool- and school age. A national population based study. (external link)

Conference poster

• Hilde Katrin Ryland; Mari Hysing; Maj-Britt Rocio Posserud et al. (2011). Autism spectrum symptoms in children with neurological disorders: the usefulness of the Autism Spectrum Screening Questionnaire (ASSQ). (external link)
• Mari Hysing; Børge Sivertsen; Irene Bircow Elgen et al. (2008). Sleep problems in children with chronic illness. (external link)
• Hilde Katrin Ryland; Mari Hysing; Astri Lundervold et al. (2008). Intellectual function and mental health in children with a chronic physical illness. (external link)
• Mari Hysing; Irene Bircow Elgen; Astri Johansen Lundervold (2005). Screening for emotional and behavioural problems in children with chronic illness. (external link)
• Astri Lundervold; Marthe Strickert; Mari Hysing et al. (2011). CONNERSʼ CPT-II PERFORMANCE IN CHILDREN WITH COMORBID AUTISM SPECTRUM AND ATTENTION DEFICIT HYPERACTIVITY DISORDER. (external link)
• Mari Hysing; Børge Sivertsen; Hege Randi Eriksen et al. (2001). Modern health worries - a closer look. (external link)
• Mari Hysing; Irene Bircow Elgen; Astri Johansen Lundervold (2004). Mental health status among asthmatic children, a population based study. (external link)
• Hilde Katrin Ryland; Astri Lundervold; Irene Bircow Elgen et al. (2010). Is there a protective effect of normal to high intellectual function on mental health in children with chronic illness?. (external link)
• Børge Sivertsen; Mari Hysing; Odd E. Havik (2008). Illness perceptions in heart-transplanted patients. (external link)
• Elizabeth Broadbent; Mari Hysing; Børge Sivertsen et al. (2000). Development of the Modern Health Worries Scale. (external link)
• Børge Sivertsen; Mari Hysing; Hege Randi Eriksen et al. (2002). Modern health worries and health. (external link)

Conference lecture

• Dag Øystein Nordanger; Kyrre Breivik; Bente Storm Mowatt Haugland et al. (2014). Posttraumatic Responses to the 22nd of July 2011 Oslo Terror Among Norwegian High School Students. (external link)
• Ranadip Chowdhury; Ingrid Kvestad; Mari Hysing et al. (2018). Vitamin B12 predicts linear growth after 6 years among children in North India. (external link)
• Dag Øystein Nordanger; Mari Hysing; Maj-Britt Rocio Posserud et al. (2013). Posttraumatic responses to the 22nd of July 2011 Oslo Terror among Norwegian high school students. (external link)
• Mari Hysing (2015). Like fathers, like sons. An epidemiological story of no shows.. (external link)
• Mari Hysing (2013). Søvn hos ungdom-Resultater fra Barn i Bergen/ Ung@hordaland. (external link)
• Mari Hysing (2013). Barn i Bergen. (external link)
• Tormod Bøe; Mari Hysing; Kjell Morten Stormark et al. (2011). Childhood Sleep Problems and Familial Socioeconomic status. (external link)
• Hedvik Elisabeth Fosse; Ståle Pallesen; Mari Hysing et al. (2011). Time in bed, sleep sufficiency and emotional and behavioral problems in a general population of 10-12 year old children. (external link)
• Børge Sivertsen; Mari Hysing (2016). Trender og tiltak ved søvnvasker. (external link)
• Tormod Bøe; Simon Øverland; Astri Lundervold et al. (2009). Sosioøkonomisk Status og Barns Mentale Helse: Resultat fra Barn i Bergen Studien. (external link)
• Mari Hysing (2011). The Oslo terror in 2011: sleep and responses in norwegian adolescents. (external link)
• Synnøve Næss; Maria Wik Markhus; Marian Kjellevold et al. (2024). Long term effects of increased lean fish intake in pregnancy on child development and mental health at five years: a follow-up of a randomized controlled trial. (external link)
• Tormod Bøe; Mari Hysing; Henrik Daae Zachrisson (2014). Low family income and behavior problems: Are children differentially susceptible?. (external link)
• Tormod Bøe; Mari Hysing; Astri Lundervold et al. (2011). Childhood sleep problems and familial socioeconomic status. (external link)

Lecture

• Vivian Irena Woodfin; Børge Sivertsen; Jens Christoffer Skogen et al. (2023). The "Perfect" Storm: Perfeksjonistiske trekk blant ungdom og unge voksne øker. (external link)
• Mari Hysing; Siren Haugland (2014). Fravær og søvn. (external link)
• Mari Hysing (2014). Ungdomstid, søvn og depresjon 2014. (external link)
• Mari Hysing (2014). Søvnløs ungdom i en digital verden. (external link)
• Mari Hysing (2014). Søvnvansker hos barn og unge: Risikofaktorer og konsekvenser. (external link)
• Mari Hysing (2013). Ungdomstid, søvn og depresjon. (external link)
• Mari Hysing (2013). Søvnløs ungdom i en digital hverdag. Påvirker det psykisk helse og skolefravær. (external link)
• Mari Hysing (2013). Ungdom og søvn. (external link)
• Mari Hysing (2014). Sleep Problems in Youth. Prevention and Early intervention. (external link)
• Ingrid Kvestad; Mari Hysing (2013). Nepsy. (external link)
• Elisabeth Flo-Groeneboom; Kjersti Marie Blytt; Bjørn Bjorvatn et al. (2023). Forskernatt «Søvnens makt: Ungdom – overgang – alderdom». (external link)

Research report

• Mari Hysing; Tormod Bøe (2011). Brown Attention-Defict Disorder Scales for Children and Adolescents (Norsk versjon, 8-12 år). (external link)
• Tormod Bøe; Mari Hysing (2011). Brown Attention-Defict Disorder Scales for Children and Adolescents (Norsk versjon, 3-7 år). (external link)
• Anita Berg; Cathrine Arntzen; Hege Bentzen et al. (2021). UHR-HS Sluttnotat styrking av forskningssamarbeid mellom UH- og kommunal sektor 17.12.2021. (external link)

Journal corrigendum

• Silje Katrine Elgen Fevang; Madland Ada Røiseland; Irene Bircow Elgen et al. (2022). Correction to: Symptoms and antecedents of autism in children born extremely premature: a national population-based study (European Child & Adolescent Psychiatry, (2022), 10.1007/s00787-022-01953-4). (external link)

Media feature article

• Robert Steen; Anne Mangen; Steinar Krokstad et al. (2024). Vi vil se på mulige sammenhenger med autisme og ADHD. (external link)

Master’s thesis

• Børge Sivertsen; Mari Hysing (2002). Moderne Helsebekymringer. (external link)

Non-fiction book chapter

• Mari Hysing; Børge Sivertsen (2020). Søvn og søvnvansker hos ungdom. (external link)
• Børge Sivertsen; Mari Hysing (2023). Søvn og Søvnvansker hos Ungdom og Unge Voksne. (external link)
• Mari Hysing; Børge Sivertsen (2022). Søvnens betydning for psykisk helse i oppvekstløpet. (external link)
• Barcley Nicola L.; Mari Hysing; Børge Sivertsen et al. (2022). Pediatric Insomnia and Its Developmental Trajectories. (external link)

Conference abstract

• Catherine Schwinger; Ingrid Kvestad; Ram K Chandyo et al. (2022). Associations between biomass fuel use and child health: a community-based study in Bhaktapur, Nepal. (external link)
• Mari Hysing (2010). SLEEP AND EMOTIONAL PROBLEMS IN CHILDREN WITH A CHRONIC ILLNESS. (external link)
• Mari Hysing; Paula Salo; Arnstein Mykletun et al. (2010). Insomnia across the life-span. (external link)

Editorial/Leader article

• Børge Sivertsen; Mari Hysing (2008). Psychological factors associated with self-reported sensitivity to mobile phones. (external link)

See a complete overview of publications in NVA.