Sleep Timing in Late Autumn and Late Spring Associates With Light Exposure Rather Than Sun Time in College Students.

However, highly significant correlations for mean and median BT, WT, and MS between weekday and weekend by season ( Supplementary Table S1 ), and between autumn and spring by day-type ( Supplementary Table S2 ) and the intraclass correlations ( Table 2 ) indicate that the BT and WT patterns within individuals are consistent across day-type and season.

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