晚上长时间的相对较低的忧郁症相当于白天照明强度的光线暴露会增加睡眠前和睡眠期间的唤醒,而不会改变睡眠结构
Meiheng He1,2, Hanyu Chen1, Siyu Li1
1Lab of Lighting and Physio-psychological Health, School of Psychology, South China Normal University, Guangzhou, China.
Journal of sleep research
|December 14, 2023
概括
晚上长时间暴露在低水平的忧郁等效白天照度 (mel-EDI) 光线下,可能会略微增加睡眠前和睡眠唤醒. 然而,这种光线暴露并没有显著改变健康大学生的睡眠结构或质量.
科学领域:
- 时间生物学 时间生物学
- 睡眠科学 睡眠科学
- 摄影生物学 摄影生物学
背景情况:
- 光线影响视觉以外的心理生理功能,通过非图像形成 (NIF) 效应影响警觉,昼夜节律和睡眠.
- 黑色眼相对应的日光照度 (mel-EDI) 是预测NIF光效应的推度量.
- 长时间,低水平的晚上Mel-EDI暴露对睡眠前唤醒和随后的睡眠的影响仍然不清楚.
研究的目的:
- 调查晚上长时间暴露于低与高mel-EDI光线对睡眠前唤醒和睡眠的影响.
- 评估睡眠结构,睡眠质量,情绪和脑电图 (EEG) 模式的变化.
主要方法:
- 18名健康的大学生参加了一项受控实验室研究.
- 参与者经历了两次实验性夜晚,在睡前3.5小时内不同程度的mel-EDI光照 (高低).
- 睡眠是使用多睡眠学监测的;主观的嗜睡,情绪和静止状态EEG也被记录下来.
主要成果:
- 在高和低mel-EDI条件之间,没有观察到睡眠整体结构或质量的显著差异.
- 较高的mel-EDI光照会导致身体兴奋程度略有增加,睡眠前较低的delta和较高的β功率密度以及睡眠期间较低的delta功率表明了这一点.
- 参与者报告说,在睡眠前暴露在高MEL-EDI光线下,他们的情绪有所改善 (感觉更快乐).
结论:
- 晚上长时间暴露在相对较低的mel-EDI光线下,可能会在睡眠前和睡眠期间引起轻微的兴奋增加.
- 观察到的对唤醒的影响并没有显著扰乱睡眠结构或质量.
- 需要进一步的研究,才能充分了解晚上暴露于光线对睡眠和昼夜调节的长期影响.
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