1, often staying up late will not be relieved for a long time because of physical fatigue, which will greatly reduce the body's ability to resist bacteria and viruses and greatly increase the chance of getting sick.

2, it will make the brain nerves work for a long time, which will cause headaches, insomnia and other phenomena to cause neurasthenia or memory loss. Increase the risk of inducing Alzheimer's disease in later life.

3, will continue to overdraw the essence of life in the body. Accelerate the aging of skin, cells, bones and organs. When the body is injured or sick, slow down the recovery of the body. The onset time of many middle-aged and elderly diseases is greatly advanced.

4, it will aggravate eye fatigue and even cause irreparable damage. Make eyes appear blurred, twisted, dry, red and swollen, and induce a variety of eye diseases. And let the vision drop sharply in a very short time.

5, staying up late will disrupt the body's biological clock. Affect the normal metabolism of the body, leading to the rise of virtual fire, dry mouth, long spots and acne on the face and other hazards.

In short, staying up late often is not only harmful to your health, but also affects your normal work and life. Don't feel that you are still young and constantly increase your health burden.