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首页> 美国卫生研究院文献>Scientific Reports >Irregular sleep/wake patterns are associated with poorer academic performance and delayed circadian and sleep/wake timing
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Irregular sleep/wake patterns are associated with poorer academic performance and delayed circadian and sleep/wake timing

机译：不规则的睡眠/苏醒模式与较差的学业表现以及昼夜节律和睡眠/苏醒时机有关

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The association of irregular sleep schedules with circadian timing and academic performance has not been systematically examined. We studied 61 undergraduates for 30 days using sleep diaries, and quantified sleep regularity using a novel metric, the sleep regularity index (SRI). In the most and least regular quintiles, circadian phase and light exposure were assessed using salivary dim-light melatonin onset (DLMO) and wrist-worn photometry, respectively. DLMO occurred later (00:08 ± 1:54 vs. 21:32 ± 1:48; p < 0.003); the daily sleep propensity rhythm peaked later (06:33 ± 0:19 vs. 04:45 ± 0:11; p < 0.005); and light rhythms had lower amplitude (102 ± 19 lux vs. 179 ± 29 lux; p < 0.005) in Irregular compared to Regular sleepers. A mathematical model of the circadian pacemaker and its response to light was used to demonstrate that Irregular vs. Regular group differences in circadian timing were likely primarily due to their different patterns of light exposure. A positive correlation (r = 0.37; p < 0.004) between academic performance and SRI was observed. These findings show that irregular sleep and light exposure patterns in college students are associated with delayed circadian rhythms and lower academic performance. Moreover, the modeling results reveal that light-based interventions may be therapeutically effective in improving sleep regularity in this population.
机译：尚未定期检查不规则睡眠时间表与昼夜节律和学习成绩之间的关系。我们使用睡眠日记研究了61名30天的大学生，并使用一种新颖的指标-睡眠规律性指数（SRI）对睡眠规律性进行了量化。在大多数和最不规则的五分位数中，分别通过唾液暗淡褪黑激素发作（DLMO）和腕戴光度法评估昼夜节律和光照。 DLMO发生较晚（00：08±1：54与21：32±1：48; p <0.003）;每天的睡眠倾向节律达到峰值（06：33±±0：19 vs. 04：45±±0：11; p <0.005）；与不规律的睡眠者相比，不规律的轻节奏的幅度较低（102±±19勒克斯与179±±29 lux； p <0.005）。昼夜节律起搏器及其对光的反应的数学模型用于证明，昼夜节律的不规则组与常规组的差异可能主要是由于它们的曝光模式不同。观察到学习成绩与SRI之间呈正相关（r = 0.37； p <0.004）。这些发现表明，大学生的不规则睡眠和光照模式与昼夜节律的延迟和学习成绩的降低有关。此外，建模结果表明，基于光的干预措施可能在改善该人群的睡眠规律方面具有治疗效果。

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