How long do I need to sleep in a day? You should get enough sleep for a few hours a day

According to CCTV News, everyone should sleep 7 9 hours a night, and the lunch break at noon the next day cannot be counted, that is, if you don't sleep for seven hours on the first day, even if you sleep for a long time at noon the next day, you can't replenish the spirit of the previous day. If you are a high school student, don't work too hard, sleep for at least seven hours, and then have enough energy the next day, pay attention to the combination of work and rest!

People are different, and how much sleep is enough is completely a matter of self-feeling. According to common sense, 7 hours of sleep is ideal, and 5 hours of sleep can satisfy the brain recovery, so no matter how busy you are, you should take 5 hours of sleep.

At least 7 hours ... Don't have too much.

If you sleep for 6 hours between the ages of 20 and 35, it is enough· If you sleep 7 hours between the ages of 35 and 45, it is enough · If you adjust it according to your physical condition after the age of 45, you can sleep too much and your head will dull I don't know if I'm right

Children, such as a one-year-old baby, have to sleep for about 15 hours a day, and the more they sleep, the better. For example, the best age group from junior high school to high school is to sleep for 8 hours, ensure adequate sleep, and have enough energy to study. It takes about 7 to 8 hours for people to work at the university level.

In old age, you have to sleep a little more, so that you can ensure your physical strength. Sleeping too much can be harmful to the body, so you should control the time of sleep.

According to a Ph.D. study in the United States, 7 to 8 hours is the best, and 8 hours to accelerate death.

Adults sleep an average of 8 hours, with slight differences between men and women, with men taking 7 to 9 hours and women slightly longer at 9 to 10 hours. People always think that the elderly sleep less time, and the elderly generally sleep only 5 to 6 hours at night

The most scientific. The best is 8 hours.

Sleep until you don't want to.

4 hours is enough, I sleep 4 hours and my mind is very clear, and I sleep too much and react slowly.

8 hours !! Much more bad for the head.

There are 1 3 hours of time in a person's life to be spent on sleep, and there are different optimal sleep times for different ages, and the average minor needs at least 9 10 hours of sleep a day (the specific growth stage is different, see below for details), adults have 7 to 8 hours of sleep a day, and the elderly have 5 to 6 hours of sleep a day.

1.For minors, getting enough sleep is essential for physical development. Specifically, 16-20 hours of sleep are needed in infancy, 10-14 hours in early childhood, and 11-12 hours in preschool.

In addition, minors have a large demand for nutrients, so they should pay attention to the intake of sufficient protein, fat and nucleic acids.

2.Adults generally get seven to eight hours of sleep. Good sleep and sufficient sleep time are the guarantee of learning and work efficiency. You should pay attention to staying up less late and exercising more, go to bed early and get up early, and develop good sleep and exercise habits.

3.Older people generally sleep for a shorter period of time, and five or six hours of sleep are sufficient. The elderly should maintain a regular work and rest, a reasonable diet and a good attitude to ensure good health.

Total sleep time includes naps, and generally half an hour to an hour nap helps improve energy in the afternoon and contributes to good health. However, excessive napping should be avoided, which may cause discomfort such as headache and swelling after waking up, and can also easily induce difficulty falling asleep at night.

As an adult, it's usually just an hour, but I sleep relatively lightly and wake up easily, so I usually only sleep for an hour and squint for about half an hour at noon.

Many people believe that the more they sleep, the more energetic they will be. In fact, those who sleep more are not because they need to sleep for a long time, but because they do not take good care of their sleep system, which causes this system to be weakened and cannot work efficiently.

1.Normal people sleep for 6-8 hours (10 hours for the elderly and children, and longer for infants).

2.Beauty sleep hours are 22 o'clock - 2 o'clock in the morning.

3.Staying up late for a long time, even if you sleep for 8 hours, you will be prone to endocrine disorders in a few years, and the biological clock will be messed up.

4.It is better for small children to go to bed before 20:30 at night, because of the long body.

5.Teenagers should go to bed around 10 p.m.

6.As for beauty lovers, be sure to sleep before 2 a.m., because ** metabolism before 2 a.m.

7.For the elderly, it is better to sleep between 21 and 22 o'clock in the evening. Therefore, people's sleep time should not be too long, 7 to 8 hours of day and night for adults is enough, if you want to increase the sleep time to get healthy, it will be counterproductive, increase diseases, shorten lifespan.

In general, 6 to 8 hours of normal sleep a day is enough.

Everyone needs at least 6 hours of sleep a day, 1-3 hours according to different personal physical conditions, and it is best to make up for a nap in summer, lack of sleep can easily affect mental and physical health.

The amount of sleep a person needs per day is genetically determined, and a normal adult needs 7-9 hours of sleep a day to keep themselves energized.

Sleep is measured in terms of quality, not time. The average adult will feel energetic after 4 hours of deep sleep. Children generally need 8 hours of deep sleep.

After a good night's sleep and enough energy for your body, you will wake up on its own and feel refreshed. If you don't get a good night's sleep, even if you sleep for a long time, you will be groggy, which will affect your health. Regardless of the quality of sleep, it is better for the body to get up when it is time to get up.

A normal person's reasonable sleep time is 7-8 hours a day!

6 to 8 hours is enough.

According to the person's physiology and brain recovery time, as long as you can ensure two hours of deep sleep every day, of course, you have to deduct the pre-sleep time and light sleep time, for example, even if I lie down and do nothing, it will take an hour and a half to feel sleepy, plus half an hour of light sleep before I really go into deep sleep, so I only sleep 4 hours a day, and Einstein also sleeps 4 hours a day. Of course, it varies from person to person, some people lie down for three or four hours before falling asleep, I used to be in this situation, lying down to think about all kinds of scientific problems, sometimes I came to inspiration more and more energetic until dawn did not fall asleep, and even sat up to think, and then forced myself not to think about the problem, only to shorten the pre-sleep time to hours, but I don't want to be too bored and can't fall asleep, you can put on some emotional audio radio to listen, don't listen to the content, easy to fantasize, just as hypnosis.

From the perspective of traditional Chinese medicine, a person only needs to sleep for three hours a day. But it's about deep sleep. So be sure to go to bed around half past ten, not too early, not too late, and wake up naturally in the morning. Have a biological clock. Such a lifetime is long enough and very healthy.