Generally speaking, the normal sleep time for adults is fixed at 7-9 hours/day, too much or too little is unhealthy. Too much or too little is unhealthy. The phenomenon of long daytime sleep leading to sleepless nights is caused by irregular work and rest time, which needs to be adjusted. Specific adjustment methods are as follows: 1, adjust the biological clock: the normal rule of life is to work during the day and rest at night, if too much sleep during the day, the biological clock will lead to no sleepiness at night, late sleep, long-term will form a vicious circle, therefore, adjust the biological clock is the main. To establish a regular sleep rhythm, even if you are not sleepy after the time to go to bed, but do not do things in bed that have nothing to do with sleep, such as watching TV, reading books, playing with cell phones, etc. 2.Increase sleep power: The greater the sleep power, the easier it is to fall asleep quickly, while it is not easy to fall asleep if the sleep power is insufficient. First of all, we should increase the time to stay awake continuously, the longer the awake time, the heavier the sleepiness, and the easier it is to fall asleep, so do not make up for the poor sleep at night and during the day; secondly, you can exercise in moderation to maintain a certain amount of aerobic exercise during the day, such as brisk walking, jogging, climbing, etc., but pay attention to the two hours before bedtime should avoid exercise. 3, maintain a good state of mind and body: If the body or psychological before bed is a state of tension, then basically there is no way to sleep, so to relax the psyche, reduce anxiety. For example, rhythmic regular breathing, first fast and then slow, gradually slow down the breathing rate to relax the whole body, relax the whole body muscles, etc. 4, during the day can be appropriate exercise to make the day as excited as possible, the night can be inhibited. 5, hot water soaking feet before bed is also conducive to improving the quality of sleep and improve the role of sleep. In summary, to correct the situation of sleeping more during the day and can not sleep at night, the main thing is to adjust the biological clock in a timely manner, develop good sleep habits, maintain a good state of mind, will soon be resolved.