睡眠阶段的纵向变化与老年男性认知能力下降风险之间的关联
Qianwen Wang1, Katie L Stone2, Zhengan Lu3
1Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China.
Sleep
|June 3, 2024
概括
睡眠阶段的变化,特别是N1和N2睡眠,会影响老年男性认知能力下降的风险. 较低的N1睡眠增加可能会降低风险,而N2睡眠的显著减少与认知能力下降有关.
科学领域:
- 老年学是一门学科.
- 睡眠医学 睡眠医学
- 神经科学是一个神经科学.
背景情况:
- 认知能力下降是老年人群的一个重大问题.
- 睡眠障碍越来越多地被认为是导致认知障碍的潜在因素.
- 了解特定睡眠阶段动态和认知轨迹之间的关系对于预防策略至关重要.
研究的目的:
- 研究睡眠阶段变化与老年男性临床相关认知衰退风险之间的纵向关联.
- 识别可能预测未来认知障碍的特定睡眠阶段变化.
主要方法:
- 分析了978名社区老年人的睡眠数据,两次访问 (6.5年的随访).
- 检查N1,N2,N3和快速眼动 (REM) 睡眠百分比的纵向变化.
- 统计评估睡眠阶段变化与认知衰退之间的联系,使用修改的迷你精神状态检查和B的踪迹.
主要成果:
- N1睡眠百分比的较小至中度增加与认知能力下降的风险降低有关.
- 显著增加N1睡眠百分比与更高的认知衰退风险有关.
- 显著降低N2睡眠百分比与认知能力下降的风险增加显著相关.
- 在N3或REM睡眠的变化与认知能力下降风险之间没有发现显著的关联.
结论:
- 特定睡眠阶段的纵向变化,特别是N1和N2,与老年男性认知能力下降的风险有关.
- 较小的N1睡眠增加可能有保护作用,而N2睡眠的显著减少表明风险更高.
- 这些发现凸显了监测睡眠阶段动态的潜力,以早期识别面临认知衰退风险的老年男性.
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