可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。

睡眠不足

You're Weepy

变得爱哭

Ever find yourself tearing up over an embarrassingTV commercial？While women might be quick to blame PMS, it could be a lack of sleep sending your emotions into overdrive. A 2007 study found that sleep-deprived brains were 60 percent more reactive to negative and disturbingimages, USA Today reported.

有没有发现自己看一个尴尬的电视广告都会哭？虽然女人可能会马上以为是经前综合症，但这可能是因为缺乏睡眠而使你的情绪负担过重。据《今日美国》报道，2007年的一项研究发现，睡眠不足的大脑消极情绪和不安反应高达60%以上。

"It's almost as though, without sleep, thebrain had reverted back to more primitive patterns of activity. in that it was unable to put emotional experiences into context and produce controlled,appropriate responses," Matthew Walker, senior author of the study, said in a statement.

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。

【知识点津】

sleep-deprived [医]失眠，剥夺睡眠

例句：

People who are sleep deprived are often cranky and slow thinking.

缺乏睡眠的人往往性情暴躁,思维缓慢.

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