Staying up late will be harmful to your health. Because adrenocortical hormone and growth hormone are secreted at night. The former is secreted before dawn, which can promote carbohydrate metabolism and ensure muscle development; The latter is produced after falling asleep, which not only promotes the growth and development of teenagers, but also delays the aging of middle-aged and elderly people.
Staying up late can cause many kinds of damage to the body:
1, frequent fatigue and decreased immunity: the most serious sequela brought by people who often stay up late is fatigue and lack of energy; The immunity of the human body will also decline, and symptoms of autonomic nervous disorders such as colds, gastrointestinal infections and allergies will appear.
2, headache: the second day after staying up late, when going to work or class, I often have headaches, brain swelling, inattention, and even headaches. Long-term staying up late and insomnia also have intangible damage to memory.
3 Dark circles and bags under the eyes: Night is the physiological rest time of human body. Without rest, the blood circulation around the eyes will be blocked because of excessive fatigue, resulting in dark circles, bags under the eyes or bloodshot eyes.
Extended data
Organ rest time at night
1, 9- 1 1 pm immune system (lymph) detoxification time.
Health experts suggest that you should stay in bed at 9 pm and don't engage in strenuous exercise. So 9: 00 p.m. to 1 1 p.m., this time is the time to detoxify the immune system lymph. It's best to have a rest and listen to music for a while to be quiet.
2. At night 1 1- in the morning 1, the liver is detoxified.
At night 1 1 to morning 1, this time is the time for liver detoxification. People had better sleep during this time, because the liver needs rest. The organs of the body have basically entered a state of rest. If you stay up late at this time, the liver will be overworked and overworked, and it will easily induce various diseases over time.
3, 65438+ 0-3 am, gallbladder detoxification.
From 1 to 3 am, one must sleep. If he doesn't sleep, his gallbladder can't detoxify in the body. After a long time, a person's liver and gallbladder function will be poor, and a person's courage and self-confidence will gradually disappear.
4, 3-5 am, lung detoxification.
3 am to 5 am is the time to detoxify the lungs. In the meantime, the lungs need to rest. If a person has pneumonia, it is particularly easy to cough at this time. Because the toxins in the body have reached the lungs, the detoxification ability of the lungs is insufficient, and it is easy to cough at this time.
5, 5-7 am, intestinal detoxification.
From 5 am to 7 am, all the garbage in the body has reached the intestine. At this time, if a person has normal work and rest habits, he will usually get up and defecate around 7 am.
Reference source; Baidu encyclopedia-staying up late