During the day, we spend most of our time sitting or standing, and the blood in the lower limbs will flow back to the heart, which is more difficult due to the influence of gravity. At night, when we lie flat on the bed, the blood in the lower limbs will flow back more easily. Only when the blood circulation of the whole body is smooth can our sleep be a healthy and effective rest. Therefore, if you want to have a good sleep, you can stimulate your feet before going to bed to speed up blood circulation and blood return. It is a good habit to wash your feet with hot water, and you should stick to it every day. Can promote blood circulation of feet. Especially in winter, the weather is cold. If you can soak your feet in hot water for a while before going to bed, you are not afraid that the quilt will not be warm and you will not sleep well after sleeping. People with flat feet can't stand, walk or run for a long time. After a long time, their feet will be painful and swollen. Soaking feet with hot water before going to bed can relieve pain and relieve swelling symptoms. It seems that washing feet with hot water before going to bed is really a good habit. The blood circulation of the foot should be kept unobstructed at all times, and the stimulation of hot water is very necessary. Even in hot summer, the blood circulation of the feet needs to be strengthened. Therefore, this is a habit that must be adhered to all the year round. It should be noted that you should wash your feet with hot water before going to bed, not too early, otherwise it will have no effect.