-
1
In a nationally representative sample of 724 US youths aged 12 to 21 years, mean sleep duration was 8.22 hours, and 30% reported falling asleep during class or work.
-
2
Older age was associated with later bedtimes and wake times, shorter sleep duration, and greater daytime sleepiness.
-
3
Compared with peers elsewhere, California youths woke about 40 minutes later and slept about 38 minutes longer, with no significant bedtime or daytime sleepiness differences.
-
4
Among middle and high school students, California youths slept 24 minutes longer and woke 29 minutes later than peers elsewhere.
-
5
The cross-sectional study relied on self-reported data, lacked premandate measurements, and included few respondents directly targeted by SB 328.
