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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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Longitudinal changes in total sleep time and attentional performance across the academic year. Means (and SE) of percentage changes in total sleep time (panel (A) and measures of the Psychomotor Vigilance Task (panel (B) in the late and early start classes. *p≤.05, ***p≤.001.