Early to bed, early to rise: sleep perceptions, patterns and related behaviors in ultra-orthodox Jewish adolescents in Israel

Ultra-orthodox males exhibited early and regular sleep timing that may be considered unique among healthy adolescents. Our comparison of sleep and related behaviors in adolescents having common hereditary backgrounds yet distinct cultural backgrounds provides insights into the cultural underpinnings of adolescent sleep. Professionals who work with adolescents should be aware of changes in sleep in the cultural context.