Half an hour after breakfast. Don't rush to exercise, so as not to cause indigestion. Massage the knee joint by hand can make the stomach unobstructed, dispel the cold and protect the joint in the cold winter. This is a good way to keep in good health. Half an hour after lunch. Half an hour after lunch is a critical moment to adjust your physical and mental state. As the saying goes, "If you don't sleep at noon, you will collapse in the afternoon." Studies show that taking a nap at noon can relieve stress and improve memory, even if it is only ten minutes, the effect is immediate. Even if you don't have the conditions to sleep, you'd better stretch your limbs, take a few deep breaths and relax your tight body. Half an hour after dinner. Don't rush to exercise, and don't bathe and soak your feet. Doing so will increase body surface blood flow and decrease gastrointestinal blood flow, thus weakening the digestive function of the stomach. During this time, you might as well do some housework, such as washing dishes or tidying your room, so that you can exercise without burdening your digestive system.