Article2008

Time trends in sleep-onset difficulties among Norwegian adolescents: 1983—2005

Ståle Pallesen · Jørn Hetland · Børge Sivertsen · Oddrun Samdal · Torbjørn Torsheim · Inger Hilde Nordhus

68 citations0/0 files storedScandinavian Journal of Public Health

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Abstract

AIMS: To investigate trend data in the prevalence of sleep-onset difficulties among Norwegian adolescents covering the age groups 11, 13 and 15 years. METHODS: Data were based on the Health Behaviour in School-aged Children - A WHO Cross-National Survey (HBSC) - and were collected on six occasions between 1983 and 2005. At each point in time data were obtained from representative samples comprising between 3402 and 5026 adolescents. RESULTS: The prevalence of sleep-onset difficulties was higher among 11-year-old students compared to the 13- and 15-year-olds. Girls reported a higher prevalence than boys. A logistic regression analysis showed that the prevalence of sleep-onset difficulties overall had increased significantly since 1983, which constituted the reference year. When the analysis was broken down by age and gender, the same tendency was found in all groups. CONCLUSIONS: The prevalence of sleep-onset difficulties among adolescents has increased during the last decades. This development gives reason for concern and should receive more attention from teachers, parents and health professionals.

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References

2013Diagnostic and Statistical Manual of Mental Disorders 1998Sleep Schedules and Daytime Functioning in Adolescents 2003Sleep Duration From Infancy to Adolescence: Reference Values and Generational Trends 2006Sex Differences in Insomnia: A Meta-Analysis 2006Epidemiology of DSM-IV Insomnia in Adolescence: Lifetime Prevalence, Chronicity, and an Emergent Gender Difference 2004Television Viewing, Computer Game Playing, and Internet Use and Self-Reported Time to Bed and Time out of Bed in Secondary-School Children 2004Time trends in adolescent mental health 2001How much sleep do we need?

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