Normal people need to sleep for 6-8 hours. Everyone should have a good sleep after a busy day. Sleeping is a physiological reaction, a part of brain nerve activity, and the result of inhibition of nerve cells in cerebral cortex after continuous excitement. When inhibition is dominant in the cerebral cortex, people will sleep.

People have a combination of work and rest all their lives; In neural activity, there are excitement and inhibition. Inhibition is to protect nerve cells, make them excited again and let people continue to work. The daily sleep time must reach 1 1 hour for children,1hour for primary school students, 8 hours for junior high school students and 7 hours for senior high school students.

Extended data

opportunity

Try to get up regularly every day. Within six weeks, the actual sleep rhythm will conform to your physiological rhythm. Ma Si, a professor of psychology at Cornell University in the United States, said: "Regularity is very important for setting the physiological clock." .

So don't go back to sleep, it will make the physiological rhythm more chaotic. Once you open your eyes, don't hesitate.

It should be noted that even on weekends, you should keep this rule, otherwise you will get up again and again on Monday.

sunlight

If getting up early is impossible for you, let the sunshine help you. Because those full-spectrum sunlight can regulate the concentration of serotonin and melatonin in the blood. When exposed to light, serotonin will speed up your metabolism, and you will want to go to bed early that night and get up early the next day.

If you can't get up early and wander in the sun, you can also open the curtains to let the sun shine in, or prepare a bright lamp and turn it on as soon as the alarm clock rings. Keep at it, and one day you will find that the alarm clock didn't go off, and you will get up in high spirits.

sound

Have you ever found that it is easy for you to press the alarm clock that has been with you for many years, because your brain is used to ignoring familiar sounds, so you can prepare multiple alarm clocks to use in turn, or wake yourself up with music, because concerts promote the flow of oxygen and blood in your brain and make your body want to beat.

If you want to boost your vitality, you can choose music similar to Mozart's violin concerto; If you want to be energetic in the morning, you can choose dance music.