Objectives The first aim of this study was to assess the prevalence of sleep deficit in a large
sample of adolescents. Second, the study aimed to assess whether short sleep duration in
the sample was associated with emotional and behavioral problems. Lastly, the study aimed
to investigate the association between daily stressors–bedtime activities and sleep duration.
Design Cross-sectional survey. Setting The questionnaires were completed during school
hours in 17 municipal junior high schools in Sweden. Participants A total of 2767 …