Stay up all night and can’t sleep during the day, this situation is relatively common, don’t be nervous, there are several main reasons: First, after staying up all night, the daytime is still not relaxed or still more excited, so you can’t sleep, in this case can be relieved by resting. Second, the biological clock disorder, the daytime may not be able to sleep, the night may not be able to sleep or can not sleep at night, but can not sleep during the day, this situation is not good, it is recommended to maintain good sleep habits, go to bed early and get up early, to maintain a normal biological clock. If long-term sleep deprivation, there may be low resistance, low brain function, resulting in doing things inefficiently. To improve sleep, it is recommended that: 1, have good sleep habits; 2, have a good sleep environment; 3, have a good sleep state of mind, only when the state of mind is calm, the internal cause is better, will not be subjected to external interference, a good night’s sleep will maintain a good mood, body, do things efficiently.