Normal adults are recommended to ensure about 7-8 hours of sleep per day, if 5 hours of sleep per day, it belongs to sleep deprivation, which is very harmful to the body in the long term. First of all, it is very harmful to the gastrointestinal tract, because according to research, to have a healthy gastrointestinal tract, to ensure the quality of sleep and sleep enough. Because the stomach can be secreted at night to protect the gastric mucosa of a TFF protein, secretion during the day is very little, only more secreted at night. Especially after entering the sleepy state at night, the secretion will be very active, if the long-term lack of sleep, this protein to protect the stomach will not secrete enough, and lead to a variety of gastric disease. At the same time, the cardiovascular and cerebrovascular damage is also very large, long-term sleep deprivation is likely to cause dizziness, headaches and other symptoms of insufficient blood supply to the brain, but also cause arrhythmias and other heart diseases, and also very bad for the skin.