1, affect the height. Teenagers are growing body time, often stay up late easy to affect the physical development, especially the height will be affected. In order to their own bodies, or as little as possible to stay up late, to ensure adequate sleep, is conducive to the development of the body.

2, memory loss: often stay up late will make the brain in a state of fatigue, memory greatly weakened, not only affects the daily life, the impact of learning efficiency is particularly significant. Therefore, friends who want to improve their academic performance, do not use to stay up all night in exchange, this method is extremely undesirable.

3, resistance to decline: the body does not get enough rest, how can maintain a healthy state, so often stay up late people tend to be prone to colds and fever. Without a good body there is nothing, the body is the capital of the revolution, more care for their own bodies.

4, vision loss: I believe that we stay up late either doing homework or playing computer it, so the damage to the eyes is very big, busy day, the eyes are in a state of overload, the night to let the eyes rest rest. Often stay up late will let the eyesight decline rapidly, do not let yourself wear thick glasses early.

5, short-tempered: I believe that we may have experienced it, often stay up all night old will make their hearts restless, can not be quiet and calm to study. And often easy to lose their temper when it comes to small things, these are the trouble of staying up late, eliminate staying up late, but also a good state of mind.

5, skin damage: to the early hours of the morning, it is the skin began to rest the best time to maintain, and stay up late, will make their own endocrine disorders, the skin can not be maintained, over time, the face of the yellow muscle skin rough. So, want to show yourself in front of others sunshine style side, please keep a sufficient sleep!

6, weight gain: stay up late people tend to eat a lot of late-night snacks and things like that, this time to eat snacks is very easy to cause the body fat. Even if you do not eat snacks, this time period the body will automatically store fat for you. So if you want to maintain a good figure, please do not stay up late!