In general, the best time to sleep is from 10 to 6 am. If you sleep after 1 1 at night, your sleep quality may be affected. If you fall asleep in spring or summer, it's too late. The best time to sleep every day is before 10 at night 12. If it is cold in autumn or winter, go to bed earlier. The best time every day is 9:30- 10:30. Because the best sleep time for each adult is 6 to 8 hours a day, during this period, the deep sleep time should be as long as possible, more than 4 hours, and the shallow sleep time should not be less than 3 hours. Adequate sleep helps to eliminate fatigue and restore physical strength, while maintaining people's physical and mental health and enhancing immunity. Try to create a comfortable environment when sleeping, which is helpful to enter a deep sleep state.