The effect of going to bed late at night is a problem that most people encounter today, which has several consequences. Firstly, Make systems in the body does not operate normally. As a direct result of the systems in the body, such as the respiratory system. As a result, the lungs cannot function normally. The body loses water some will feel that breathing not out. Secondly, Make the performance decreased. Because the body accumulates fatigue all day. The symptoms to be found, such as saying I don't know the subject and speak slowly, It is important They cannot say what ideas come out. Because