公共卫生 公共卫生
Maddison L Mellow1, Dorothea Dumuid1, Hannah Keage2
1Alliance for Research in Exercise, Nutrition and Activity (ARENA) Research Centre, University of South Australia, Adelaide, SA, Australia.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
老年人睡眠质量差会影响记忆力,但增加体育活动对睡眠质量差的人更有利于记忆力. 个性化干预应考虑睡眠质量,以获得更好的结果.
科学领域:
- 老年学是指老年学的学科.
- 认知神经科学 认知神经科学
- 睡眠科学 睡眠科学
背景情况:
- 在老年人中,24小时时间使用组成 (睡眠,体力活动,久坐行为) 和认知表现之间的关系已经确立.
- 睡眠质量对这种关系的调节作用仍未得到充分研究.
- 这项研究研究了睡眠质量如何影响非痴呆老年人的时间使用组成和认知之间的关联.
研究的目的:
- 研究睡眠质量对老年人24小时时间使用组成和认知表现之间的关联的影响.
- 确定睡眠质量是否会改变日常活动模式与记忆,执行功能和处理速度等认知功能之间的关系.
主要方法:
- 利用了来自ACTIVate研究的基线数据 (n=368,平均年龄=65).
- 通过自我报告的多媒体活动回忆来评估24小时的时间使用组成. 儿童和成人.
- 用匹兹堡睡眠质量指数将参与者分为"好" (<5) 或"差" (≥5) 睡眠质量组.
- 使用剑桥神经心理测试自动化电池测量认知性能 (记忆,执行功能,处理速度).
- 采用多重线性回归,对共变量进行调整,以分析睡眠质量子组内的关联.
主要成果:
- 与睡眠质量不佳的人相比,睡眠质量不佳的人在家务/安静时间上花费更多时间,在体育/运动/家庭管理上花费更少时间.
- 时间使用组合与睡眠不佳的人 (p=0.04) 的记忆表现有关,但睡眠不佳的人 (p=0.26) 的记忆表现有关.
- 执行功能和处理速度在两组中都没有显示出与时间使用组成的显著关联.
- 对于睡眠不佳的人来说,将时间重新分配给体育/运动 (特别是从睡眠或安静时间) 改善了记忆力.
- 对于睡眠良好的人来说,增加体育运动/运动只会在时间从屏幕时间重新分配时改善记忆.
结论:
- 主观睡眠质量显著改变了老年人24小时时间使用和记忆能力之间的关联.
- 睡眠质量不佳的个体从增加体育/运动中体验到更大的记忆效益.
- 个性化的24小时时间使用干预措施应将睡眠质量作为优化认知结果,特别是记忆力的关键因素.
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