Personally, I think it is more reliable. As long as you find the right method and keep exercising, you will improve your metabolism, improve your immunity and reduce your chances of getting sick. Fitness is tiring. In the process of fitness, you will consume a lot of physical strength, sweat a lot, make your muscles tired, feel tired and promote sleep. If you have insomnia, don't blindly rely on drugs. You can try to exercise, activate the cells in your whole body and reach your remote limit. After exercise, the body will be in a state of fatigue and can sleep better. But remember, fitness should be enough, not excessive exercise. Excessive exercise will strain your muscles, which will be counterproductive ~

If you can't sleep, it may be that the stress in your life is too great, which makes your brain in a tight state, and then it is difficult to fall asleep, which leads to insomnia. In this case, you can try to exercise more and relax your brain, which is also a good way to relieve stress. So fitness can not only improve the quality of sleep, but also reduce the stress of your life. When personal stress is too great, or you are in a state of insomnia, you can choose to go to fitness. In short, fitness is a good way to improve the quality of sleep, and it can also change people's body shape, achieve the effect of slimming, increase human muscles and make the human body more beautiful.

Fitness can make the cells of the whole body active. In the process of fitness, the human body produces a lot of sweat, which makes the human body feel tired and makes it easier to fall asleep at rest.

To sum up, I personally think that regular exercise can improve the quality of sleep, which is reliable, but in the process of fitness, we should know how to protect ourselves from harm, exercise moderately, and don't exercise excessively, thus causing certain harm to the body.