Objective data contribute to the school start time debate

摘要

Research suggests that adolescents aged 13 to 18 years should be obtaining 8 to 10 hr of sleep per night [1]; however, a large proportion of teenagers are obtaining less than this [2–4]. Many studies show that there are substantial deficits in adolescents’ wellbeing, health, safety, and academic performance with insufficient sleep [5–10]. As a potential solution to this, there has been a recent call for school start times to be delayed in some countries, primarily the United States [11]. There are several factors facilitating later bedtimes across adolescence. The psychosocial factors include increased freedom from...