一份彙整超過五萬名受試者、涵蓋 72 篇研究的統合分析發現,睡眠障礙(如失眠、睡眠中斷)與睡眠時間過長,都與 C 反應蛋白、介白素-6(IL-6)等發炎指標上升有關;反而短時間的實驗性睡眠剝奪,在多數研究中並未觀察到明顯的發炎指標變化(註1)。真正需要留意的不只是「昨晚幾點睡」,更是長期睡眠品質是否穩定這件事。如果你經常覺得熬夜後臉部出油、皮膚敏感、情緒容易煩躁,這些感受多半來自連續幾天甚至幾週的作息紊亂累積。
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