Earlier school start times may increase risk of adolescent depression and anxiety

Teenagers with school starting times before 8:30 a.m. may be at particular risk of experiencing depression and anxiety due to compromised sleep quality, according to a recent study. | Sleep Health 2017 | story via ScienceDaily

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The findings of this study provide additional evidence in the debate over how school start times impact adolescent health.  The study,  published in the journal Sleep Health found that Teenagers who start school before 8:30 a.m. are at higher risk of depression and anxiety, even if they’re doing everything else right to get a good night’s sleep.

The authors used an online tool to collect data from 197 students across the USA between the ages of 14 and 17. All children and parents completed a baseline survey that included questions about the child’s level of sleep hygiene, family socioeconomic status,  and their school start times. They were separated into two groups: those who started school before 8:30 a.m. and those who started after 8:30 a.m.

Over a period of seven days, the students were instructed to keep a sleep diary, in which they reported specifically on their daily sleep hygiene, levels of sleep quality and duration, and their depressive/anxiety symptoms.

The results showed that good baseline sleep hygiene was directly associated with lower average daily depressive/anxiety symptoms across all students, and the levels were even lower in students with school start times after 8:30. However, students with good baseline sleep hygiene and earlier school start times had higher average daily depressive/anxiety symptoms.

Link to the research:  Peltz, J. S. et al. A process-oriented model linking adolescents’ sleep hygiene and psychological functioning: the moderating role of school start times  Sleep Health

Full story at ScienceDaily

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