Take a walk for half an hour after lunch, then take a nap. Take a nap after dinner. Nourish spirit. This is the third kind of health care. Taking a nap is very important, because lunch is the most important time to supplement nutrition in a day. When taking a nap, the blood supply to other parts is reduced; Make the gastrointestinal tract get sufficient blood supply and fully absorb food. But the nap time should not be too long, just one hour.