title: Sleep and adolescent suicidal behavior.
abstract: OBJECTIVE
  Suicide risk begins to increase during adolescence. Adolescents do not get enough sleep and are also at risk for many sleep disturbances. This study examined the association between sleep patterns and sleep problems and adolescent suicidal behavior.
  
  
  METHODS
  A questionnaire survey of adolescents attending school was conducted in one prefecture of Shandong Province, People's Republic of China.
  
  
  METHODS
  A total of 1,362 adolescents attending school (mean age 14.6 years, 60% males) participated in the survey.
  
  
  METHODS
  Respondents completed a self-administered questionnaire that asked about sleep patterns, sleep problems, suicidal behavior, depressive symptoms, and demographic characteristics of the family and adolescent.
  
  
  RESULTS
  Overall, 19.3% of the sample reported having suicidal ideation, 10.5% having suicide attempts in the past 6 months, 16.9% having insomnia symptoms, 2.3% having taken hypnotic medication, and 48.9% having experience of nightmares in the past month. Mean night sleep duration was 7.6 hours (SD = 0.8). Logistic regression analyses showed that sleeping less than 8 hours at night (OR = 2.89, 95% confidence interval [CI] = 1.07-7.81) and frequent nightmares (OR = 2.43, 95% CI = 1.76-3.35) were significantly associated with increased risk for suicide attempts after adjustment for age, sex, father's occupation, and depressive symptoms and that nightmares (OR = 1.69, 95% CI = 1.20-2.38) were also significantly related to suicidal ideation.
  
  
  CONCLUSIONS
  These findings demonstrate the association between short sleep duration and nightmares and suicidal behavior and highlight the potential role of sleep intervention in the prevention of adolescent suicide.
authors.affiliation: Department of Family and Human Development and Prevention Research Center Arizona State University, Tempe 85287, USA. xianchen.liu@asu.edu
authors.forename: Xianchen
authors.initials: X
authors.lastname: Liu
mesh_terms: D000293:Adolescent; D015984:Causality; D002681:China; D003430:Cross-Sectional Studies; D003863:Depression / Q000175:diagnosis / Q000453:epidemiology / Q000523:psychology; D004325:Dreams / Q000523:psychology; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D012424:Rural Population / Q000706:statistics & numerical data*; D012892:Sleep Deprivation / Q000175:diagnosis / Q000453:epidemiology* / Q000523:psychology; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis / Q000453:epidemiology* / Q000523:psychology; D013223:Statistics as Topic; D013406:Suicide, Attempted / Q000523:psychology / Q000706:statistics & numerical data*; D011795:Surveys and Questionnaires