Our bodies want to sleep at night and be awake during the day. Most women and men need between eight and eight and a half hours of sleep a night to function properly throughout their lives.Finding ways to get more and better sleep can be a challenge. Scientists have identified more than 80 different sleep disorders. Some sleeping disorders are genetic. But many problems are caused by staying up late and by traveling frequently between time zone or by working nights.
正常运转 function properly
找到更多的时间、更好的睡眠方法 find ways to get more and better sleep
熬夜 stay up late
经常跨时区旅行 travel frequently between time zone
上夜班 work nights