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夜间卧室温度对老年人心率变化的影响:一项观察性研究
Fergus K O'Connor1,2,3, Aaron J E Bach4,5,6, Connor Forbes7
1School of Allied Health, Sport and Social Work, Griffith University, 1 Parklands Dr, Southport, QLD, 4215, Australia. f.oconnor@griffith.edu.au.
BMC medicine
|December 30, 2025
概括
炎热的夜晚会扰乱睡眠,并增加老年人的心率. 高于24°C的温度与自主干扰有关,这凸显了夜间室内温度指南的必要性.
科学领域:
- 环境健康 环境健康
- 心血管生理学心血管生理学
- 老年学是一门学科.
背景情况:
- 气候变化正在增加炎热的夜晚,可能会影响心血管健康.
- 现有的指导方针涉及白天室内温度,但缺乏夜间的建议.
- 老年人可能特别容易受到夜间温度升高的影响.
研究的目的:
- 研究夜间卧室温度对心率和心率变化 (HRV) 的影响.
- 评估老年人暴露在不同夜间温度下的生理应激反应.
- 为制定夜间室内温度指南提供证据.
主要方法:
- 这是一项对47名年龄≥65岁的社区成年人进行的观察性研究.
- 可穿戴设备在睡眠期间 (下午9点至早上7点) 监测心率和HRV.
- 家庭内传感器测量了连续的卧室温度;使用通用混合效应模型分析数据.
主要成果:
- 超过24°C的夜间温度与临床相关心率变异性 (lnRMSSD) 减少的几率增加有关.
- 较高的温度与降低的HRV指数 (lnHF,lnLF),增加的ln(LF:HF) 比率以及心率升高相关.
- 在不断增加的温度类别 (24-26°C,26-28°C,28-32°C) 中观察到显著的关联.
结论:
- 超过24°C的夜间温度会扰乱自主功能,并增加老年人的心率.
- 研究结果表明,随着气温的上升,情感主导和生理压力增加的趋势正在转变.
- 有证据表明,需要制定夜间室内温度指导方针,以保护弱势群体免受气候变化影响.
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