After eating the noon meal, it is recommended that patients rest or take a walk for half an hour before going to bed. If the patient when eating lunch immediately after lying down to sleep, it is easy to cause the food in the stomach to flow back into the esophagus, and the burden on the gastrointestinal tract at this time is relatively heavy, no activity in the case of food digestion, absorption will also be very slow. It causes patients to have uncomfortable performance in the process of napping, and it also tends to lead to insufficient blood supply to the cardiovascular and cerebrovascular, which aggravates the cardiovascular and cerebrovascular diseases. Therefore, it is recommended that patients do activities about half an hour after eating lunch, which is good for the body. After the meal, patients are not recommended to do strenuous activities, do not rush to take a bath, drive, or eat fruits, etc.