研究：长期缺觉没法补

Sleeping in on Saturday after a few weeks of too little shuteye may feel refreshing, but it can give a false sense of security.

在一连几个星期睡眠不足的情况下，到了周六睡个懒觉可能会让你感到神清气爽，但这会给你一种错误的安全感。

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