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. 2021 Apr 26;16(4):e0250793. doi: 10.1371/journal.pone.0250793

Fig 10. Midsleep time, sleep duration and morning-evening preference in relation to an inferred net positive (+) or negative (-) response to sleep changes during the social-distancing semester in the 2020 group.

Fig 10

[A]. Midsleep time, across all days. [B]. Left panel: Total daily sleep duration, across all days. Right panel: Nocturnal time in bed (TIB). Independent samples t-tests, *p < .05 [C]. Self-identified evening-preference, from question 19 on the Morning-Evening Questionnaire (MEQ). Mann-Whitney U test, ***p < .001. Green triangles denote positive responders (N = 31). Purple inverted triangles denote negative responders (N = 29).