Usually it is best to sleep for 6~8 hours every day, and it is not good to sleep too much or too little. People who sleep for more than 9 hours may have increased blood viscosity and are prone to stroke.
You often stay up late not for night, but for life.
As the saying goes, work at sunrise and rest at sunset. Including three meals a day, this is also the law of life left by ancestors in practice, and it also conforms to the principle of human adaptation to the environment.
Sleep is a function of health preservation, which is to replace the original cells with a large number of healthy cells. If one million cells die during the day and only 500,000 cells are recovered in one night, the body will suffer more losses over time.
Sudden death may get bigger.
College students are suspected of sudden death due to staying up late, and often go to bed at 1 am to 2: 00 am;
The 34-year-old deputy editor-in-chief of the subway died suddenly. A friend said that he works very hard and often stays up late.
An engineer of a company worked for 34 hours continuously and died of overload.
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There are more and more such news. Many patients worked for more than ten hours a day before, resulting in a serious lack of sleep time. This may cause the human body to be in a state of stress for a long time, constantly secreting hormones such as adrenaline, leading to abnormal vasoconstriction and even sudden death.
Are more likely to get cancer.
Scientists have discovered the "molecular mechanism of controlling circadian rhythm" through research. In other words, scientists tell us that there is a biological clock in the human body. As long as your biological clock goes wrong, some chronic diseases may come, such as diabetes, high blood pressure and even cancer. ...
Are more prone to diabetes.
For some people with a family history of diabetes, lack of sleep is more likely to increase the risk of diabetes.
Lead to the emergence of hypertension.
According to an authoritative scientific research, long-term lack of sleep is often an important pathogenic factor of hypertension. According to a five-year follow-up survey of 10000 adults by a scientist, it is found that people who sleep for 6 hours or less are often 42% more likely to suffer from hypertension than those who sleep for 8 hours, while those who sleep for less than 5 hours regularly are even more likely to get sick, which is 3 1%.
Are more susceptible to Alzheimer's disease.
According to a study published in the journal Nature Neurology, lack of sleep may lead to the formation of brain plaques, which may lead to Alzheimer's disease. The researchers also found that the increase of protein in Alzheimer's disease is usually associated with deep sleep patterns.
The risk of heart disease has increased.