The effects of frequent late nights on the body include a blow to the central nervous system, so that the basic functions of the brain are disorganized. Staying up late is a kind of bad lifestyle, will be on the central nervous system, especially the control of neuroendocrine axis of the regulatory mechanism, caused by the blow, so that the basic function of the brain disorders. And the basic brain dysfunction may lead to biological clock disorder, can not distinguish between day and night, affecting the reproductive endocrine function and other functions. And because often stay up late, resulting in the second half of the night sleep will be tenacious will occupy, over time will produce insomnia, affecting the functional state of the whole body, manifested in the daytime easily sleepy, slow reaction, comprehension ability to decline and so on. It is recommended to sleep at night at the latest do not go to bed at 11 o’clock, before going to bed, you can drink some milk, honey water, soak your feet, take a hot bath, to improve sleep. If you still can’t improve, it is recommended to consult a doctor in time to find out the cause, and if necessary, treat the cause of the problem.