Although the total number of hours of sleep can be guaranteed, the long-term late sleep and late rise will bring many adverse effects to the body, the first is that it will lead to a decline in the body’s immune system, more likely to suffer from colds or infectious diseases. The second is that after a long period of late sleeping and late waking, it will also lead to the patient’s forgetfulness. Finally, the patient’s skin will also have yellowing, lack of sharpness, dullness and other problems due to this condition, and the metabolism will have slowed down, making it more likely to have neurological weakness, anxiety and depression. From the perspective of Chinese medicine to understand, the ancients have always believed in the idea of sunrise and sunset, that at 10:00 p.m., the blood returns to the liver after people go to sleep, the liver to the whole body to moisten the five internal organs, moisten other internal organs, if the patient does not sleep, it will lead to dysfunction of other organs.