よりよく動き、よりよく眠る、テキサス大学の研究結果(Move More, Sleep Better, UT Study Finds)

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2024-04-01 テキサス大学オースチン校(UT Austin)

テキサス大学オースティン校の多分野の研究チームによる新しい研究は、運動、睡眠の質、心理的健康の関連性を最も信頼性の高いものとして確認しました。この研究では、運動がREM睡眠の遅延を引き起こし、より深い睡眠段階を安定させる可能性が示されました。これにより、より良い睡眠が心理的健康につながることが明らかになりました。

<関連情報>

自然環境における身体活動が睡眠構造と気分に及ぼす影響 The effects of physical activity on sleep architecture and mood in naturalistic environments

Kennedy Zapalac,Melissa Miller,Frances A. Champagne,David M. Schnyer & Benjamin Baird
Scientific Reports  Published:07 March 2024
DOI:https://doi.org/10.1038/s41598-024-56332-7

よりよく動き、よりよく眠る、テキサス大学の研究結果(Move More, Sleep Better, UT Study Finds)

Abstract

Physical activity has been found to alter sleep architecture, but these effects have been studied predominantly in the laboratory and the generalizability of these findings to naturalistic environments and longer time intervals, as well as their psychological effects, have not been evaluated. Recent technological advancements in wearable devices have made it possible to capture detailed measures of sleep outside the lab, including timing of specific sleep stages. In the current study, we utilized photoplethysmography coupled with accelerometers and smartphone ambulatory assessment to collect daily measurements of sleep, physical activity and mood in a sample of N = 82 over multi-month data collection intervals. We found a robust inverse relationship between sedentary behavior and physical activity and sleep architecture: both low-intensity and moderate-to-vigorous physical activity were associated with increased NREM sleep and decreased REM sleep, as well as a longer REM latency, while higher levels of sedentary behavior showed the opposite pattern. A decreased REM/NREM ratio and increased REM latency were in turn associated with improved wellbeing, including increased energy, reduced stress and enhanced perceived restfulness of sleep. Our results suggest that physical activity and sleep account for unique variance in a person’s mood, suggesting that these effects are at least partially independent.

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