期刊
CLOCKS & SLEEP
卷 1, 期 1, 页码 3-12出版社
MDPI
DOI: 10.3390/clockssleep1010002
关键词
sleep disturbance; morningness; eveningness; circadian misalignment
资金
- Own the Podium Innovation for Gold project
- NIH [R01HL105768, R21CA167691]
- CDMRP [W81XWH-05-1-0009]
Previous research has found that elite athletes have insufficient sleep, yet the specific kinds of sleep disturbances occurring as compared to a control group are limited. Here we compare the subjective sleep quality and chronotype of elite athletes to a control group of non-athlete good sleepers. Sixty-three winter Canadian National Team athletes (mean age 26.0 +/- 0.0; 32% females) completed the Pittsburgh Sleep Quality Index (PSQI) and the Athlete Morningness Eveningness Scale. They were compared to 83 healthy, non-athlete, good-sleeper controls (aged 27.3 +/- 3.7; 51% females) who completed the PSQI and the Composite Scale of Morningness. The elite athletes reported poorer sleep quality (PSQI global score 5.0 +/- 2.6) relative to the controls (PSQI global score 2.6 +/- 1.3), despite there being no group difference in self-reported sleep duration (athletes 8.1 +/- 1.0 h; controls 8.0 +/- 0.7 h). Further, athletes' chronotype distribution showed a greater skew toward morningness, despite there being no group differences in self-reported usual bedtime and wake time. These results suggest that a misalignment of sleep times with circadian preference could contribute to poorer sleep quality in elite athletes.
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