According to the normal biological clock of the human body, staying up late usually refers to sleep after 11-12 pm at night, often stay up late to do more damage to the human body. Staying up late breaks the body’s biological clock, which can lead to endocrine disruption, reduce sleep time or stay up all night, which can aggravate physical fatigue. Under normal circumstances, you should go to sleep before 10:30 pm. Chinese medicine believes that 12:00 p.m. to 2:00 a.m. for the liver detoxification time, if you do not get rest during this time, the human organs can be more damage, can lead to heart and digestive system diseases, continuous late night can even cause sudden death. And after staying up late the next day’s energy is also greatly reduced, may lead to inattention, panic, chest tightness and other situations. Modern people’s life is fast-paced, sleep time continues to be delayed, so the body function gradually decline. It is recommended to slow down the pace of life, change the habits of life and rest, avoid staying up late, maintain a relaxed mood, and eat more fresh vegetables and fruits to enhance immunity.