睡眠和极端高温对老年人认知功能的综合影响
Wensu Zhou1, Xuezhu Li1, Qiong Wang1
1School of Public Health, Sun Yat-sen University, Guangzhou, China.
Ecotoxicology and environmental safety
|January 8, 2025
概括
热浪期间正常或短暂的睡眠时间可能会降低老年人认知障碍的风险. 这凸显了在极端高温期间睡眠指导对认知健康的重要性.
科学领域:
- 环境健康 环境健康
- 老年学是指老年学的学科.
- 睡眠科学 睡眠科学
背景情况:
- 极端的高温是认知障碍的一个已知的危险因素.
- 虽然正常的睡眠时间和质量可以减轻认知能力的下降,但它们与极端高温的结合效应仍然不清楚.
- 这项研究调查了热浪,睡眠模式和老年人的认知功能之间的相互作用.
研究的目的:
- 为了确定在热浪期间正常睡眠时间和良好的睡眠质量是否能保护老年人免受认知障碍.
- 为了在极端高温暴露期间比较不同睡眠时间和质量类别之间的认知障碍风险.
主要方法:
- 利用了来自9153名老年人的队列数据.
- 极端热量定义为≥3天,最低温度高于第92.5个百分点.
- 使用迷你精神状态检查 (MMSE) 评估认知功能,并使用考克斯回归模型分析数据.
主要成果:
- 热浪期间的正常睡眠时间与较低的认知障碍风险相关 (HR:0.86).
- 热浪期间的短暂睡眠时间也显示了认知风险的降低 (HR:0.74).
- 热浪期间的良好的睡眠质量与睡眠质量差的睡眠质量相比,并没有显著降低认知障碍风险 (HR:1.10).
结论:
- 在热浪期间正常或短暂的睡眠时间可能会保护老年人免受认知障碍的影响.
- 睡眠时间似乎是极端炎热期间认知弹性的一个关键因素.
- 睡眠指导对于在暴露于高温的老年人群中保持认知健康至关重要.
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