The best exercise time in a day is four or five o'clock in the afternoon, but morning is not the best exercise time. Doing proper exercise before going to bed can help you sleep, and it does have a certain effect on losing weight. If you want to lose weight, you can eat less at night, preferably not at all. If you are really hungry, drink a cup of hot milk before going to bed, and then cooperate with proper exercise, so that the weight loss effect will be good. Moreover, it can make your skin better, and milk is nutritious, which can also help you lose weight. Don't do too much exercise before going to bed, otherwise it will make you excited and affect the quality of sleep at night.