Sleep at 2 1:30-22:30 in winter and get up at 6:30-7:30 in the morning.
At noon, the alertness of the human body is declining. At this time, taking a nap helps to restore the spirit and is conducive to work, study and physical health.
In addition, dinner should be finished two hours before going to bed. Stop eating and go to bed at once.
Wish you good health.