Not suitable for strenuous exercise at night, but suitable for soothing exercise at night, such as walking. Let's get up and exercise in the morning.

Exercise should be moderate, not excessive, and the amount of exercise should be gradual. Only when the body adapts can it increase slowly, otherwise it will damage the body and heart.

We should exercise, eat, sleep, work and rest and live according to the biological clock and the laws of nature, so as to be healthy.