Staying up late means staying up late at night for a long time, thus affecting your health.
In general, the normal should be before 11:00 p.m. to sleep, if after 11:00 p.m. has not slept, in the long run, will make the body autonomic nervous disorder, endocrine disorders, etc., thus affecting the health of the body, increasing the chances of disease.
Often stay up late, the brain cells do not get enough rest, there will be dizziness, lack of concentration, memory loss, irritability, irritability and other symptoms, but also make the spirit of loss, which will lead to a decline in immunity, prone to colds, gastrointestinal disorders, etc., as well as a number of allergies and other neurological disorders, so stay up late to ensure that adequate sleep.