What is the normal sleep of a person? What is the normal amount of sleep in a human being?

Sleep time refers to a natural physiological phenomenon of humans and animals, consciousness is natural, usually regular temporary suspension, during which the process time of physical recovery can reach the time of closing the eyes and resting, and the cerebral cortex is in a state of rest. The best time to sleep for adults is between 10 p.m. and 6 a.m.

Sleep time can be divided into intermittent sleep and continuous sleep, and the sleep time referred to in general life refers to the total sleep time in a day, that is, the sum of all the time in the sleep state. The body's biological clock recommends going to bed before 10 p.m. and waking up before 7 a.m. Go to bed early and wake up early to enhance immunity, which is conducive to fighting the invasion of viruses and thus improving work efficiency.

Newborns at 1 week old sleep 16-17 hours a day; 1-4 months, 14-16 hours of sleep per day. Newborns should not sleep less than 11 hours a day, otherwise normal development will be affected.

Infant. Babies sleep longer than newborns. In general, babies aged 5-12 months sleep 12-16 hours a day. At this time, parents should help their children maintain regular naps and sleep no less than 10 hours a day, otherwise normal development will be affected.

Toddlers and preschoolers. At this stage, children are more active and sleep is more important for their development. For children aged 1-2 years, the recommended sleep time is 12-14 hours per day; 3-5 years old, 11-13 hours of sleep per day is recommended.

Schoolchildren. After children enter primary school, only adequate sleep can ensure the efficiency of activities and learning in the day. Therefore, it is recommended that children aged 6-12 years old ensure 9-12 hours of sleep every day, not less than 8 hours, otherwise it will seriously affect learning efficiency.

Juvenile. At this stage, children are still in the period of growth and development, and the pressure of learning gradually increases, and the sleep time is relatively reduced. Children aged 13-17 should sleep for 8-10 hours a day, less than 7 hours, and will lose concentration and exercise, which will seriously affect learning efficiency.

1] Adults. Age group.

Sleep time.

Older teenagers aged 18-25 years.

26-70 years old.

7-8 hours (but the study found that it should not be less than 9 hours).

71-99 years old.

Over 100 years old.

hours (some experts believe that the elderly should also sleep more than 9 hours).

Assuming age x, the optimal sleep time y approximately satisfies y=21-6x. However, some experts have suggested that the elderly need longer sleep than adults due to their weak qi and blood, so they have y=22-7x. In this function, people over the age of 65 have an increasing trend in sleep time.

Longevity research. The six-year experiment was conducted by the University of California, San Diego School of Pharmacy and the American Cancer Society. They observed a million subjects between the ages of 30 and 102.

Generally speaking, the normal sleep time of people is 6 to 8 hours, if people want to meet the next day's mental state, want to ensure the next day's energy, then you must need to sleep enough time at night.

The normal sleep of a person is seven hours.

The figure of seven hours is based on the study of the sleep habits of long-lived people, and those who are not bothered by diabetes, heart disease, or cancer usually limit their sleep time to about seven hours, so the researchers concluded that seven hours may be a "magical" number.

Wall Street **" recently reported that a study on the sleep habits of long-lived people shows that 7 hours of sleep may be the most beneficial to the body, and it is generally believed that 7-9 hours of sleep is not accurate, and long-term sleep of more than 8 hours is not good for physical health.

1 Toddlers aged 3 years: 12 hours per night, two or three hours during the day.

Toddlers need to get 12 hours of sleep every night, and another two or three hours during the day. The exact amount of sleep can be based on their own sleep rhythm, for example, some babies have a habit of sleeping close to noon and late afternoon.

Babies at this age tend to be too excited to sleep and have trouble sleeping. Sometimes, he sleeps while his brain is still active; When I fell asleep, I often grinded my teeth, kicked the quilt, wetted the bed, etc. These can affect your baby's brain and body development.

Infant under 1 year old: 16 hours per day.

Babies under the age of 1 need the most sleep, about 16 hours a day. Sleep is an important period for the growth and development of babies at a young age, so sleep time must be guaranteed. Recommendations:

Sleep problems in babies are mostly caused by calcium deficiency, daytime fright, and digestive disorders; There are also children who don't sleep well at night because they sleep during the day.

Newborns sleep an average of 16 hours a day, and the baby's sleep time gradually decreases, reaching about 9 12 hours by the age of 2 years. The amount of sleep an adult gets varies from person to person, usually ranging from 6 to 9 hours, and 7 and a half hours is generally considered appropriate. However, older people often get less than 6 hours of sleep.

According to the analysis of electroencephalograms, the heterogeneous sleep of newborns accounts for about 50% of the total sleep time, and soon after falling asleep, it enters the amorphic period, which accounts for about 20% of adults and less than 20% of the elderly.

In adults, it is considered abnormal if the sleep time is less than 15% or more than 25%. Similarly, the slow-wave phase 4 also gradually decreases with age. As for the cycle of sleep and wakefulness, newborns sleep about 5 to 6 times a day, infants gradually decrease, and school-age children sleep about 1 or 2 times a day.

Some elderly people have reverted to the habit of sleeping several times a day.

The night is getting colder, and the eyelids are getting heavier. He raised his elbows and yawned. I feel more and more warm.

Check your sleep quality in one article.

Low-quality sleep or quality sleep.

Some people just put their pillows on them.

But sleep continues.

I still feel groggy when I wake up.

Weakness ...... all over

This condition is known as "low-quality sleep".

Like insomnia, it affects people's health.

"Low-quality sleep" is scary than insomnia.

"Junk sleep": insufficient sleep time and low sleep quality.

Low-quality sleep is manifested by:

It takes a long time to fall asleep, almost more than 30 minutes.

Nightmares are always at night.

Unable to sleep for 6 hours throughout the night.

Woke up more than 2 times during the night.

It's especially easy to wake up in the wee hours of the morning.

I always feel dizzy and uncomfortable when I wake up in the morning.

On the contrary, quality sleep will be characterized by sufficient sleep time, good continuity, and high quality.

The time to fall asleep is short, no more than 30 minutes.

No nightmares or few dreams at night.

You can sleep more than 7 hours a night, but not more than 9 hours.

In a state of deep sleep, it is not easy to wake up at night.

Sleep until dawn", it is not easy to wake up in the early morning.

Wake up in the morning feeling refreshed and no fatigue.

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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 timeEven 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 best for children to go to bed before 20:30 at night, because they are ...... long5.Teenagers should go to bed around 10 p.m. ...... night

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

7.For the elderly, it is better to sleep between 21 and 22 o'clock in the evening.

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

Adults require a relatively high quality sleep a day, at least about 7 hours, while children will have more requirements for sleep, requiring more than 20 hours of sleep a day. If you are a teenager, it is better to get about 10-12 hours of sleep a day.

However, if the quality of sleep is not good, it is still necessary to pay attention to it, it is important to maintain a stable schedule and rest, and also to reduce the situation of staying up late, it is best to take oral sleep incense before going to bed, which can reduce anxiety, soothe nerves, help fall asleep quickly, and improve sleep quality.

How much time a person sleeps every day is normal, sleep everyone's sleep habits are different, in the 24-hour study of how much time to sleep, which is determined by a person's personal quality, some people may have more than eight hours and some people may be less than eight hours, as long as you have enough energy to engage in various activities during the day, your sleep is normal.

However, people are always prone to poor sleep quality, so you need to adjust it well, try to go to bed early and get up early, because of night shifts and other problems, you also need to adjust to a regular sleep time, and it is best to drink a glass before going to bedSleepDream fragrance, which relaxes the nerves and helps you fall asleep quickly.

0 3 months of newborns: 14 to 17 hours;

4 infants from 11 months: 12 to 15 hours;

Toddlers aged 1 to 2 years: 11 to 14 hours;

3 Preschoolers aged 5 years: 10 13 hours;

6 13-year-old school-age children: 9 11 hours;

14 17-year-olds: 8 10 hours;

18 Beginning of adulthood at age 25: 7 9 hours;

25 64-year-old adults, sleep 7 9 hours a day;

Seniors over 65 years of age, sleep 7 to 8 hours a day.

9 hours for children, 7 8 for adults, and 6 7 for the elderly, which is the result of the research of the American Academy of Sciences.

Usually people aged 20-40 can sleep 6-8 hours a day, and some people may only sleep 4-5 hours a day on average, and still maintain energy and not get tired easily, which is also normal. Therefore, there is no need to deliberately pursue 6-8 hours of sleep, and the relief of fatigue through sleep is related to the duration of deep sleep, not the sleep time. In addition, try to keep the nap to about half an hour, sleeping too much will affect the night's sleep.

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Generally speaking, people's normal sleep time is 7 and a half hours, with a minimum of 6 and a half hours, but there are exceptions, as long as they feel that they have slept enough and have enough energy.

Human sleep is related to the secretion of melatonin and the body's core body temperature. Generally speaking, the body temperature reaches its highest at 7 o'clock in the evening, and then it begins to fall, at 9 o'clock melatonin begins to secrete, and at 10 o'clock half the intestinal peristalsis is inhibited, in other words, the period from melatonin secretion to intestinal peristalsis inhibition is the time to start sleeping. Between 2 and 4 a.m. is the deepest sleep, and this is also the time when you are most likely to doze off.

Sleep time also varies from person to person, people generally need to have more than 8 hours of sleep, and it must be of high quality.

If the sleep is insufficient or the quality is not high, the general doctor recommends oral sleep incense, which can help you sleep comfortably, improve sleep quality, soothe your nerves, and fall asleep easily.

Adults can sleep for about eight hours a day.

In addition, if you have insomnia or lack of sleep, it is generally recommended to take the sleep fragrance orally, and it can help you sleep comfortably, improve sleep quality, soothe your nerves, and fall asleep easily.

The evening is from 22 o'clock to 6 o'clock in the morning.

Noon is from 12 o'clock to 14 o'clock, during this time, it is best not to sleep too long at noon, then it will feel more sleepy, it is best to squint for 15 to 30 minutes.

As for how many hours of sleep you should sleep every day, depending on your physical fitness, as long as you are in line with your sleep habits, you can ensure that you are energetic during the day, and you do not feel tired after waking up. Many great people, they sleep very little, but they have a lot of energy, because they supplement mainly deep sleep, although the quantity is small, but the quality is high. Sleeping dead does not mean that you have entered a deep sleep, and you may wake up easily in a deep sleep.

This has something to do with everyone's physique. Some people need to sleep for 8 to 9 hours to have enough energy, while others only need to sleep for 4 to 5 hours. It is said that Napoleon slept only 3 hours a night, while the German poet Goethe sometimes slept 24 hours in a row.