Associations between sleep habits, quality, chronotype and depression in a large cross-sectional sample of Swedish adolescents
Fig 2
Sleep duration in depressed and non-depressed adolescents.
A) Sleep duration on weekdays. B) Sleep duration on weekends. The bars display the percentage of adolescents in different categories of sleep duration. 8–10 hours is the recommended duration of sleep for this age group. * Proportions differ significantly from each other at the 0.05 level.