Fitness at night is certainly good for the human body. Some people are busy with work and study during the day and arrange fitness time at night. If they go to the gym at night, they can relieve physical fatigue, cheer up their mood and sweep away boredom and unhappiness for the human body. In addition, there will be more time for fitness at night, and the effect of fitness will be better. If you can rest immediately after fitness, you can also improve the quality of sleep, which is good for the human body, but whether you exercise at night or during the day, you actually have your own advantages. As long as you keep exercising for a long time, generally speaking, fitness will definitely do more harm than good to the human body. Before 9: 30 p.m. is fine. After 9: 30, exercise is not recommended for other organs of the body. Try not to do it. You can do it before 9: 30.