Associations of sleep duration on school nights with self-rated health, overweight, and depression symptoms in adolescents: problems and possible solutions.

•Sleep behavior was examined in adolescents in a competitive school environment.•Most adolescents showed signs of sleep deficiency and catch-up sleep on weekends.•Short sleep was associated with poorer self-rated health and being overweight.•Short sleep was associated with depression symptoms including thoughts of self-harm.•The benefit of later school start time on sleep was diminished due to late bedtime.