College of Sports Science, Nantong University, China.
Sleep Med. 2024 Oct;122:113-127. doi: 10.1016/j.sleep.2024.08.008. Epub 2024 Aug 14.
The beneficial effects of physical activity on sleep quality in older adults are well-established. However, determining the optimal dose of physical activity remains unclear. This study aimed to investigate the dose-response relationship between physical activity and sleep quality in older adults.
A comprehensive search was conducted across six electronic databases from inception to May 2024. Included were randomized controlled trials assessing the impact of physical activity on sleep quality in older adults. Changes in sleep quality scores were analyzed using a normal-likelihood model with an identity link function.
Fifty-one studies involving 5890 participants met the inclusion criteria. The dose-response relationship was best described by a "J" shaped curve. The minimum significant dose was 195 metabolic equivalents of tasks (METs)-min/week (Hedges'g = -0.39, SE: 0.27, 95%CrI: -0.82 to 0), with the optimum dose identified as 440 METs-min/week (Hedges'g = -0.85, SE: 0.26, 95%CrI: -1.24 to -0.37). The tolerated dose was also 820 METs-min/week (Hedges'g = -0.85, SE: 0.26, 95%CrI: -1.24 to -0.37). The optimal dose of 440 METs/min/week consistently improved sleep quality across various physical activities. Additionally, participant characteristics such as age, sex, and exercise intensity may moderate the effects of different physical activities.
This study identified the optimal weekly dose of physical activity to enhance sleep quality in older adults, highlighting the effectiveness of various physical activities. It also explored moderating factors affecting intervention outcomes. These findings provide valuable insights for tailoring personalized physical activity programs in clinical settings.
体力活动对老年人睡眠质量的有益影响已得到充分证实。然而，确定体力活动的最佳剂量仍不清楚。本研究旨在调查老年人体力活动与睡眠质量之间的剂量-反应关系。
从建库至 2024 年 5 月，全面检索了六个电子数据库。纳入的研究为评估体力活动对老年人睡眠质量影响的随机对照试验。使用正态似然模型和恒等链接函数分析睡眠质量评分的变化。
符合纳入标准的研究有 51 项，涉及 5890 名参与者。剂量-反应关系最好用“J”形曲线来描述。最小显著剂量为 195 代谢当量任务（METs）-分钟/周（Hedges'g=-0.39，SE：0.27，95%CrI：-0.82 至 0），最佳剂量确定为 440 METs-min/week（Hedges'g=-0.85，SE：0.26，95%CrI：-1.24 至 -0.37）。耐受剂量也是 820 METs-min/week（Hedges'g=-0.85，SE：0.26，95%CrI：-1.24 至 -0.37）。440 METs-min/week 的最佳剂量可改善各种体力活动下的睡眠质量。此外，参与者特征（如年龄、性别和运动强度）可能会调节不同体力活动的效果。
本研究确定了提高老年人睡眠质量的最佳每周体力活动剂量，突出了各种体力活动的有效性。它还探讨了影响干预结果的调节因素。这些发现为在临床环境中定制个性化的体力活动计划提供了有价值的见解。
