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Diamond Online
@diamond.jp
·
1 hour
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7時間寝ても疲れる40代へ…「睡眠時間」だけでは足りない理由
40代以降、十分な睡眠時間を確保しても疲れが取れないと感じる人が増えています。これは、加齢とともにメラトニンの分泌量が減少し、夜の光が睡眠に影響を与えるためです。同書は、睡眠時間だけでなく、夜は部屋を暗くするなど「眠る環境」を整えることが、体内時計を整え、質の高い睡眠を得るために重要だと指摘しています。
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