title: 人为什么需要睡觉？人睡觉的时候身体都在做什么？
topic: 睡眠
content: 昨天刚听了一篇有关睡眠的VOA新闻 Why do we need sleepIs bedtime just a time for dreaming Do our brains turn off for the night What if I told you that scientists recently discovered that our brains may be just as busy at night as they are during the dayWhile we sleep， our brains are doing much more than getting ready for the next day. Researchers at the University of Rochester found that the b
answerer_tags: 一名机械专业爱英语爱PS，从事跨境电商工作的未婚男青年。。