题型：语法填空（语篇） 题类：常考题 难易度：困难
云南省玉溪一中2018-2019学年高二下学期英语期中考试试卷
Should naps(小睡) actually (take) during the day? Well, we certainly know from (evident) in the sleep center and that of many other scientists that naps can give you benefits for both your brain your body. But naps can actually be double-edged sword because while we're awake during the day, we're building up sleepiness or sleep pressure. So when you try to fall asleep at night, you'll fall asleep quickly and then you'll stay asleep. And when we sleep, we actually release that sleepiness so that we wake up the next morning feeling (refresh).
So if you take a nap during the day, especially if you take it too late in the afternoon, you will actually release some of that sleepiness and it will make it much (hard) to fall asleep and stay asleep soundly throughout the night. So the advice would be if you don't struggle with your sleep and you can nap (regular), then naps are just fine.
But if you do find it difficult (fall) asleep or stay asleep at night, then you should avoid naps and try to build up that healthy sleepiness in the evening.
The ideal nap depends on you want from that nap. Different stages of sleep actually give you different types of brain and body (benefit).
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