There are many hazards for men to stay up late, but usually not as many as ten, the common hazards are mainly the following: 1, obesity: stay up late will cause disorders in the body hormone levels, stay up late also easy to feel hungry, at this time will need more food, easy to cause calorie overload, will cause obesity; 2, fire: stay up late when the body is in a state of overload, easy to cause endocrine disorders, causing fire, fire. After the fire will often appear throat discomfort, blistered lips, etc.; 3, weakened organ function: the body usually sleep at night through the liver and kidneys for detoxification, stay up late will make the body detoxification can not be carried out normally, the body’s toxin metabolism is not out, easy to damage the liver and kidneys, weakened organ function; 4, skin problems: men may also appear after staying up late skin rough, yellow face, this is due to the night is the body’s qi and blood transport to the gallbladder and liver time, if the gallbladder and liver do not get sufficient rest will lead to many skin problems; 5, resistance decline: sleep and diet as the body’s immunity and resistance to the two basic conditions, if long-term stay up late, insufficient rest, will lead to a decline in body resistance; 6, vision decline: stay up late will appear to overuse the eyes, resulting in dry eyes, pain, long-term will also appear vision Decline, more serious cases will also induce retinal disease; 7, endocrine disorders: endocrine disorders caused by men staying up late is more serious than women, may induce sexual dysfunction, hair loss, prostate enlargement, etc.. Good sleep is an important process for the body to nourish and repair damage, and the normal physiological cycle and immune system will be damaged when staying up late, not only for men, but all people should avoid staying up late.