What is sleep?

Sleep is learned! In the old saying, "going to bed early and getting up early" is good. There is only one concept. There is no quantity. It means no. The key to the quality of sleep is deep sleep ~ 3 hours is enough. Generally, from to is the time of deep sleep, but it does not enable deep sleep as soon as you fall asleep. There is a transitional period, generally 1-3 ~ 1.5 hours! Push back, that is~ It is best to go to bedTo prepare for deep sleep!

When should I get up? Internationally recognized.Coupled with the natural seasonal changes,

The recommended schedule is as follows:
~ -> Sleep ~ -> Get up
PM to PM in Winter ~ PM-> sleep at pm ~ Am-> Get up

At noon, the human body is in the decline phase. At this time, taking a nap can help restore the spirit, and is conducive to work, study and health.

In addition,Dinner should be completed two hours before going to bedBecause the growth hormone reaches the peak period in the evening, eating the night snacks will affect the secretion of growth hormone, thus affecting the body length and height. If you are hungry, you can eat high protein, such as eggs, soy products and milk.

There are significant differences in adult sleep time. In a survey of 1 million people, the average daily sleep time of adults is 7-7 ~ In the 9-hour range, 80% of the total number is occupied. In another survey of 800 people, the average sleep time is 8.5 hours, that is, the adult sleep time is 7 ~ 9 hours can satisfy the majority of people's sleep time.

Another survey of 800 people showed that the average sleep time was 8.5 hours and the sleep time was 4-hours ~ The so-called sleep for 5 hours and sleep for 10 ~ During the 11-hour period, 1%-2% of sleep students were short sleep for less than 4 hours, and less than 1% of those who slept for more than 11 hours. (The criteria for determining short sleep and long sleep are different. The authors also set the average sleep time to 8 hours, less than 7 hours, or 7-7 hours ~ The 8-hour group was identified as long sleep, short sleep, and moderate sleep, and the survey found that they accounted for 1/3 of the total group respectively ).

Sleep is related to the body type, personality, and age. For body and sleep, obese people have a good sleep and seldom suffer from insomnia. Powerless people have high neurosensitivity and are not easy to fall asleep. athletes have a low sleep time but are energetic, rarely insomnia. Sleep time is related to age. On average, young people sleep for 8 hours a day. as they grow older, their sleep gradually decreases, and then increases slightly when they become older.

Most authors believe that sleep time is related to personality. Extroverted users are considered to have less sleep than introverted ones. A group of healthy subjects were studied. A group of people who have been sleeping for less than 7 hours and a group who have been sleeping for more than 9 hours found that those who have been sleeping for less time are diligent, intelligent, and efficient, people who have a lot of sleep time are prone to anxiety and depression, and often withdraw in the face of difficulties. Some people will go to sleep for only four hours each night and 8 ~ Compared with those who slept for nine hours, they found that there was no physical difference between the two. They both had the same height, weight, and even intellectual development, while their psychological status was quite different, short Sleep is extremely optimistic, while long sleep is always worried. Although the two groups have a significant difference in sleep time, the third and fourth phases of sleep are similar, while most sleep patients have two times faster sleep.

Adult sleep time sometimes has significant individual differences. Some people have observed that a group of people can be satisfied after less than 3 hours of sleep every day without any psychological or physical discomfort. Famous scientist Edison is a practitioner of sleep for a short period of time. Sometimes he sleeps 3 ~ Four times, each time only about 30 minutes, a total of 1.5 ~ Two hours, his 30-minute sleep is a sleep. Some people think that, when you concentrate on work and study, nap can be used as an emergency. It is said that a nap of ten minutes can be equivalent to a sleep of one hour at night on the grounds that a short nap or sleep is in a sleep state, therefore, waking up quickly does not cause a sleep phenomenon in the deep sleep period. It can quickly return from sleep to intense work, study, or life. Some people have also done such an experiment to call 52 managers of a company (the average age is 35 years old) to let them perform a series of simple calculations, then go to bed for 20 minutes, wake up and perform similar calculations again, the score can be increased by 42% compared with that before going to bed. Generally, a person with an ideal, ambitious, cheerful, and spiritual life can have enough rest even during a short sleep period, all day long, no ideal person, although sleep for a long time, still lazy, sleepy. However, those who sleep for only 4 hours or less usually only account for 1% of the average population ~ 2%, they appear active, outgoing, competent, and not anxious. They seek help only when they get bored or lonely at night. Ultra-short sleep users are sometimes proud of this effective sleep. If their partner is a sleeping many, they are likely to have problems due to lack of synchronization.

Therefore, for those who complain about less sleep, fundamentally correcting his own dream of "sleeping more" will play a very beneficial role in improving his sleep.

Here, we can also introduce some celebrities with short sleep: German philosopher Kant, Romanian writer sadutanu, British Film Art Master Charlie mcenter, former British Prime Minister Mrs. tatcher, chairman of the barrier Executive Committee, zhou Enlai, Zhu De, and so on in China, it is understood that almost all scientists and people as well, their sleep is also small, high quality. At present, the people with the least sleep in the world are Japanese people. British and Chinese people have a longer sleep time than Japanese people. Japanese people do not have less sleep but have a shorter lifetime, on the contrary, it is one of the countries with the longest average life (74.4 years for men and 80.1 years for women ).

some people mistakenly think that the more you sleep, the better, you can maintain your mental power. Having sleep for more than 10 hours a day, the result is counterproductive. Because of the long sleep time, the normal cycle of sleep and awakening changes, and the rhythm of the human body clock is disordered, so that the brain is in a state of inhibition for a long time, and the physiological activities and metabolism of people are reduced for too long, but it is not good for health. As we have said before, sleep is also an active process. A long time of sleep can also make the brain's Si Guan sleep cells fatigued. After waking up, the brain will also feel dizzy and uncomfortable.