In general, it is best to go to bed before 10 pm and not later than 11 pm. 11:00 p.m. to 1:00 a.m. is mainly the time of liver detoxification, if you do not sleep in that time period, it will affect the liver detoxification, resulting in the collection of toxins in the body, so the human body is very harmful, the time period is also known as the golden sleep time. Secondly, after 10 p.m., it enters the state of skin maintenance, if you do not sleep, it will affect the rest of the skin, making the skin dry, dull, and even chloasma and dark spots. Therefore, sleep before 10 p.m. can play a certain role in beauty and skin care. In addition, going to bed early helps to ensure sufficient sleep, so that the brain and the organism can get sufficient rest, which helps the next day’s study and work. It is recommended not to stay up late at night and use cell phones and computers less. After staying up late, you can put on a mask to replenish skin moisture and pay attention to a light diet to avoid causing gastrointestinal discomfort.