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. 2020 Dec 10;12:1161–1172. doi: 10.2147/NSS.S273875

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© 2020 Alfonsi et al.

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Lights-off hour, wake-up hour, and total sleep time as a function of school and non-school days. Means (and SE) of (A) lights-off hour, (B) wake-up hour, (C) total sleep time in the late and early start classes plotted as a function of school and non-school days. ***p≤.001, **p≤.01, and “NS” to indicate non-significance.