不睡觉的话，大脑重新回到了原始的活动模式。因为它无法参与情感体验来控制情感的适当反应，”这项研究的资深作者马修·沃克在一份声明中说到。

You're Forgetful Or Unfocused

健忘或注意力差

You might be tempted to blame your trouble focusing on your age or stress or your overflowing email inbox, but a lack of sleep could be the true culprit.

你可能会把这些问题归咎于自己的年龄、压力大、收件箱的电子邮件过多，但缺乏睡眠可能才是真正的罪魁祸首。

Too few hours in dreamland has been linked to a whole host of cognitive problems, like difficulty focusing and paying attention, confusion, lower alertness and concentration, forgetfulness and trouble learning, WebMD reports.

据WebMD报告，睡眠不足导致很多认知问题，像很难集中注意力、意识混乱、警觉性差、注意力差、健忘、学不进去等。

So next time you find yourself forgetting where you put your keys, consider how much sleep you got last night.

所以，下次你发现自己总是忘记把钥匙放在哪里时，想想自己昨晚睡了几个小时。

You Can't Shake That Cold

容易感冒

If you keep coming down with the sniffles -- or can't seem to kick that never-ending case -- you might want to assess your sleep schedule. A 2009 study found that people who sleep fewer than seven hours each night have almost three times the risk of catching a cold than people who slept for at least eight hours, the LA Times reported.

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