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Factors associated with late bedtimes, early wake-up times, and short sleep in adolescents on school nights
Factors linked to late bedtimes, early wake-ups, and short sleep in teenagers on school nights
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Abstract
Adolescents obtained 45 minutes less sleep when their main reason for bedtime was finishing homework or studying.
- Later sleep onset is linked to older age, later , and doing homework or studying at bedtime.
- Earlier sleep offset correlates with longer get-ready and commute times, as well as earlier school start times.
- Shorter sleep duration is associated with older age, later chronotype, homework/studying at bedtime, and earlier school start times.
- Adolescents received 50 minutes more sleep when school started between 08:30 and 08:59 am compared to 07:30 and 07:59 am.
- Homework/studying at bedtime and early school start times are modifiable factors related to insufficient sleep in adolescents.
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Key numbers
45 min
Sleep Duration Decrease
Less sleep when going to bed due to homework/studying vs. feeling tired.
50 min
Sleep Duration Increase
More sleep when school starts from 08:30 to 08:59 am vs. 07:30 to 07:59 am.