1. How many hours do people sleep every day?
1, normal people sleep for 6-8 hours (old people and children 10 hours, babies are longer).
Children had better go to bed before 20:30 in the evening, because they have grown up.
3、? Teenagers should go to bed around 22 o'clock at night.
As for those who love beauty, they must go to bed before 2 am, because the skin is metabolized before 2 am. ?
5. The elderly should sleep between 2 1-22 at night.
Second, what are the hazards of too little or too much sleep?
Sleep too little; It makes people stupid. Sleep plays a decisive role in one's thinking and learning. Lack of sleep affects people's cognitive process in many ways, leading to low learning efficiency. Aging skin, lack of sleep will make the skin seriously dehydrated, dry and peeling, dull, yellow face, and even wrinkles, loose skin, dark circles, facial edema and so on. Increase the risk of illness Sleep disorders and long-term lack of sleep may increase the risk of illness, such as heart disease, heart failure, arrhythmia, hypertension and so on. Sleep too much; Damage to the brain, sleep too much, the brain will age, gain weight, sleep too long every day, gain more weight; Damage to the heart, sleeping more than 8 hours a day will increase the risk of heart disease; It is easy to be depressed, and sleeping for a long time will increase the risk of depression.
To sum up, people should not sleep too much or too little, and 7-8 hours of day and night is enough for adults. If you want to increase your sleep time to get healthy, it will do the opposite, increase your illness and shorten your life. Generally, 6-8 hours of normal sleep every day is enough.