# 只能睡五個半小時,減少的體重有70%來自瘦肉,也就是肌肉,而非脂肪。反觀每晚有八個半小時睡眠的那組人,可以看到更令人滿意的狀況:減少的體重有遠超過50%來自脂肪,而肌肉保留得比較多——《為什麼要睡覺?》
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