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Author (up) Junker, A.; Bjorngaard, J.H.; Gunnell, D.; Bjerkeset, O. doi 
  Title Sleep Problems and Hospitalization for Self-Harm: A 15-Year Follow-Up of 9,000 Norwegian Adolescents. The Young-HUNT Study Type Journal Article
  Year 2014 Publication Sleep Abbreviated Journal Sleep  
  Volume 37 Issue Pages 579-585  
  Keywords Young-HUNT HUNT2  
  Abstract OBJECTIVES: To investigate the association between sleeping problems in adolescence and subsequent hospital admission for self-harm (SH). DESIGN: Prospective cohort study, linking health survey information on sleep problems to hospital-based patient records. SETTING: Residents of Nord-Trondelag County, Norway, aged 13-19 years in 1995-97. PATIENTS OR PARTICIPANTS: 10,202 adolescents were invited to participate in the Young-HUNT study; 8,983 (88%) completed the health survey. MEASUREMENTS AND RESULTS: 10% of participants reported difficulties initiating sleep, 4% reported early morning wakening. Ninety-eight participants (27% male) were hospitalized following SH over a mean 12 years follow-up. Difficulties initiating sleep/early morning wakening were associated with increased risk of SH (HR 2.11, 95% CI 1.29-3.46, sex- and age-adjusted) compared with no problems, yet coexistent symptoms of combined anxiety/depression explained most of the association with sleep problems (fully adjusted HR 1.19, 95% CI 0.66-2.16). The HR of combined difficulties initiating sleep/early morning wakening differed in those with and without anxiety/depression at baseline (P interaction = 0.03); among those without caseness symptoms of anxiety/depression it was 5.58 (95% CI 2.02-15.40), while in those with caseness symptoms of anxiety/ depression it was 0.82 (95% CI 0.19-3.44). CONCLUSIONS: Sleep problems are common among Norwegian adolescents. The strong association between sleep problems and subsequent hospitalization for self-harm could mainly be related to coexistent symptoms of anxiety and depression. Prevention of adolescent sleep problems, anxiety and depression should be targeted when seeking to reduce and prevent self-harm. CITATION: Junker A; Bjorngaard JH; Gunnell D; Bjerkeset O. Sleep problems and hospitalization for self-harm: a 15-year follow-up of 9,000 Norwegian adolescents. the Young-HUNT study. SLEEP 2014;37(3):579-585.  
  Address Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway. Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway ; Forensic Department and Research Centre Broset, St. Olavs University Hospital, Trondheim, Norway. School of Social and Community Medicine, Bristol University, Bristol, UK. Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway ; Faculty of Health Sciences, Nord-Trondelag University College (HiNT), Levanger, Norway.  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language eng Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition 2014/03/04  
  ISSN 0161-8105 ISBN Medium  
  Area Expedition Conference  
  Notes 1550-9109 Junker, Asbjorn Bjorngaard, Johan Hakon Gunnell, David Bjerkeset, Ottar Journal Article United States Sleep. 2014 Mar 1;37(3):579-85. doi: 10.5665/sleep.3502. Approved no  
  Call Number HUNT @ maria.stuifbergen @ 2218 Serial 1486  
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