了解睡眠周期睡眠有其特定的固定周期,对每个人来说,这种特定时刻是不变的。人们可以注意睡意来临前的一些特征,了解自己的睡眠周期,可以连续几天把平常习惯的入睡时间提早或推迟,而保持原来的起床时间不变。这样,慢慢就把你体内的生物节律调整过来了。抓紧瞬间睡眠白天,当你想 Understand the sleep cycle Sleep has its specific fixed cycle, for each person, this particular moment is constant. People can pay attention to some of the characteristics of drowsiness before coming to know their own sleep cycle, you can continue for a few days to routinely fall asleep early or late, while maintaining the same time to get up unchanged. In this way, slowly adjust the biological rhythm in your body over. Pay close attention to the moment of sleep during the day, when you want