4hw.com.cn: when it comes to the harm of staying up late, there is no special harm. It's just a chronic death. I'm afraid you're not afraid. So what's the harm of staying up late? Let's take a look at it with Xiaobian~
How harmful is staying up late
The injury of staying up late
The ancients believed that whether we sleep or not was determined by the law of the rise and fall of yin and Yang in the nature. At night, Yang Qi enters into the interior and can rest to prepare for the birth and development of the second day.
If you are not familiar with these traditional Chinese medicine terms, staying up late will bring the following harm to the human body--
Vision loss
Overwork caused by staying up late for a long time may induce central retinitis and cause sudden drop of vision. The main symptom was a sudden drop in vision and a dark shadow in front of the eyes.
Most patients can recover to a better level without treatment, but the recurrence rate is very high. After multiple attacks, vision will be permanently damaged!
sudden death
A Harvard study of 70000 women found that too little sleep was bad for heart health.
Chronic sleep deprivation can promote the development of hypertension, obesity and diabetes, while hypertension, obesity or metabolic syndrome are exactly the factors that induce heart attack.
cancer
The international agency for research on cancer has long recognized that night shift is a strong carcinogen. Compared with the 9-to-5 population, the risk of advanced cancer in night shift is increased by 24%, and the risk of early cancer is increased by 49%.
A study published in the American Journal of epidemiology found that women with poor sleep quality were more likely to develop thyroid cancer.
Disfigure
A study by the London sleep school found that within a week, two hours less sleep a day can have a serious impact on appearance.
The number of fine lines and wrinkles among women who took part in the survey rose 45 percent, and the number of spots rose 13 percent. People's eyes become red and puffy, skin becomes loose and saggy, and more wrinkles grow.
insomnia
The sympathetic nerve of a person should be to rest at night and be excited during the day, so as to support one's day's work, while the sympathetic nerve of a person who stays up late is excited at night.
In the day after staying up late, it is difficult for sympathetic nerves to be fully excited, which will make people have no spirit, dizziness, memory loss, inattention, slow response, forgetfulness, dizziness, headache, etc.
For a long time, there will be neurasthenia, insomnia and other more serious problems.
Alopecia
Staying up late may cause endocrine disorder and alopecia areata. Alopecia areata is an autoimmune non cicatricial alopecia, commonly known as "ghost shaving". The hair falls off unconsciously, often by accident or by others.
Deaf
Originally good, suddenly can not hear, this is sudden deafness. Often stay up late, long-term fatigue, lack of sleep, will hinder the blood supply of the inner ear, once the external stimulation (such as sudden changes in temperature, virus infection, etc.) will easily lead to sudden deafness.
Infertility
Male: it is reported that infertile patients tend to be concentrated between 30 and 40 years old. They all have one thing in common: they have a lot of work pressure and need to work overtime or stay up late frequently.
The male stays up late for a long time, causes the hormone level in the body to be disordered, the endocrine is maladjusted. Androgen is low, estrogen rises, can cause infertility.
Women: all kinds of hormones required by the human body are secreted most vigorously at night. Women often stay up late, which will lead to changes in the hormone environment in the body.
Once the estrogen secretion is insufficient for a long time, it will cause the ovarian function to decline and cause persistent amenorrhea, uterine atrophy, osteoporosis and so on.
Gastrointestinal crisis
On average, human gastric epithelial cells need to be renewed once every 2-3 days, and usually at night.
If you eat at night, gastrointestinal tract can not rest, will affect its repair process. Overnight stay in the stomach for a long time, promote the secretion of gastric juice, over time, easy to lead to gastric mucosa erosion, ulcer.