Staying up late is a common problem for young people nowadays, but staying up late often brings a lot of harm. So what are the dangers of staying up late?

　　Hazards of staying up late

　　1, often fatigue, immunity decline

　　This is the most profound experience of the party to stay up late, after staying up late is sleepy sleepy! Long-term staying up late leads to fatigue, no spirit, and the immune system will be reduced, and then it is a variety of colds, allergies, gastrointestinal problems to find the door.

　　2, headache, memory loss

　　After staying up late, no matter how long you sleep, you will wake up with a headache and mental fatigue. This will become more and more serious with age. Long-term staying up late can also lead to insomnia, memory loss, anxiety, irritability and other mental symptoms.

　　3, rough skin, spots acne

　　The golden time for skin self-repair and conditioning is 11:00 p.m. - 3:00 p.m. This time is also the liver and gallbladder conditioning time. If you stay up late and miss this period of sleep, it will be the most direct manifestation of the skin, in the long run, the face of the skin will appear dark, rough, spots, pimples and other problems. Night owls if you still want a healthy liver, at the latest at 1 a.m. liver time into the sleeping period.

　　4, affect fertility

　　Women stay up late a great harm is a serious impact on the endocrine, causing irregular menstrual cycles, thus affecting the secretion of female hormones and egg quality; and is in the reproductive age of men often stay up late, the spermatozoa activity and the number will also be greatly affected.

　　5, liver function

　　People who stay up late have a higher percentage of abnormal liver function than the general population.

　　6、Increased chance of developing chronic diseases

　　Long-term stay up late people's adrenaline and other hormone secretion is much higher than the healthy people, metabolic pressure is also higher than the average person, more likely to suffer from diabetes, hypertension and other chronic diseases.

　　7, vision hazards

　　Eyes are fully rested in sleep, stay up late in the eyes of the people in the eyes sore, eyes hazy, but also hold on to not sleep is a great damage to the eyes, the most direct is to lead to vision loss. Long-term stay up late, the speed of eye aging is also unimaginable.

　　8, induced breast cancer and other diseases

　　Bright lights at night will inhibit melatonin secretion, and melatonin levels will increase the risk of breast cancer, so long-term late night will greatly increase the risk of breast cancer. And often stay up late will lead to progesterone secretion imbalance, and some female high incidence of tumours, such as uterine fibroids, endometrial lesions, mammary gland lesions, etc., with estrogen and progesterone secretion abnormality has a close relationship.

　　7 precautions for men who stay up late

　　1, sleep before 1 am

　　23:00 at night to 2:00 in the morning is the body shallow sleep and liver work time, this time period does not sleep, the liver will be very tired. 2 am - 3 am we began to enter the deep sleep period, serious patients are most likely to develop at this time, if you stay up late do not exceed this time.

　　2, stay up late hydration drink herbal tea

　　We are used to eating rich dinner, fat intake, stay up late and increase the "fire", so we should be more hydration, and herbal tea is more nourishing to the body and the effect of fire, such as ginseng chrysanthemum tea, tortoise jelly, sour plum soup.

　　3, stay up late as soon as possible after the "make up sleep"

　　In order to dissipate the "fire" as soon as possible, after staying up late as soon as possible to sleep enough, or lunchtime, "a pinch" to sleep for a while, and the next night to go to bed earlier than usual, the day before the "loss of "Take back.

　　4, first do dinner preparation

　　Intended to stay up late, dinner should not eat too greasy, should be light, as long as there are enough high-quality protein, inorganic salts and vitamins on it. When you are hungry at night, you can eat some salads and fruits.

　　5、Refuse caffeinated drinks

　　Although caffeine refreshing, but will consume the body and nerve, muscle coordination related to vitamin B, lack of vitamin B group of people would have been more easy to get tired, more likely to form a vicious circle. In addition, drinking caffeinated beverages on an empty stomach at night will cause stimulation of the gastrointestinal mucosa, causing abdominal pain.

　　6, strict control of sweets

　　Eating sweets is also a big taboo to stay up late. Sugar, although high calorie, although to a certain extent let a person excited, but will consume vitamin B group, leading to the opposite effect, but also easy to lead to the problem of obesity.

　　7, refuse to eat "junk" food

　　Many stay up late a family will be put around some instant noodles, crisps and other junk food, hungry when the hand to bring hunger. But this kind of food is not easy to digest, will aggravate the burden on the digestive tract, eat more will cause indigestion, but also make the blood fat increase, is not good for health.