Physical exercise before going to bed will improve the excitement of the body. Within a few hours after exercise, the blood flow rate of the human body will increase, the metabolism of the body will accelerate, and the body temperature will also rise, so it will be full of energy and high spirits, which is not conducive to entering a sleep state. Therefore, exercise should not be carried out before going to bed, especially the exercise with greater intensity.

At different times of the day, the focus of body organs is different. After 9 pm, the state of the body will change. At this time, the lymphatic system of the whole body will begin to adjust, and the body will begin to prepare for sleep. At this time, try to do something to relieve your mood, and don't do strenuous exercise, so as not to affect the work of the lymphatic system.