How much sleep do people really need? What is the best amount of sleep per day?

A normal person sleeps an average of only four hours a day, which will have an impact on physical health.

The need for a few hours of sleep every day varies from person to person and cannot be generalized.

Seniors over 60 years old: Sleep hours a day.

One should go to bed before 12 o'clock every night, and sleep for 7 hours, or even hours, at night. According to data released by the Alzheimer's Association, brain aging can be delayed for 2 years in the elderly who limit their sleep to less than 7 hours a night. Long-term sleep of more than 7 hours or lack of sleep can lead to poor concentration and even Alzheimer's disease, increasing the risk of early death.

The most common sleep problems in the elderly are dreaminess and insomnia. Dreaminess is due to the deterioration of brain function in the elderly; Insomnia is mostly caused by a decrease in the secretion of melatonin in the body, which is one of the important factors in the body that determine sleep. Guo Xiheng suggested that the elderly with poor sleep quality at night should develop the habit of taking a lunch break for no more than 1 hour.

Otherwise, the central nervous system of the brain will deepen the inhibition, promote the relative reduction of blood flow in the brain, slow down the metabolism in the body, and easily lead to discomfort and even more sleepiness after waking up.

30 60-year-old adults: Sleep about 7 hours a day.

Adult men need hours of sleep and women need about hours, and should be guaranteed a "quality sleep time" from 10 p.m. to 5 a.m. Because people tend to achieve a deep sleep state at this time, it helps to relieve fatigue. A 22-year follow-up study of 10,000 adults in Finland found that men who slept less than seven hours were 26 percent more likely to die and women were 21 percent more likely to die than those who slept seven to eight hours. Men who slept more than 8 hours were 24% more likely to die than men who slept 7 to 8 hours, and women who were 17% more likely to die.

Lack of sleep in this age group is more likely to be associated with mental loss or stress-induced overeating. Guo Xiheng reminded that in addition to relieving stress as much as possible, you can also put some effort into the sleeping environment, such as reducing noise, ventilation, proper shading, etc., and choose a pillow with a height of 10 to 15 cm and moderate hardness and softness. If you still can't get enough sleep, you can also catch up on sleep by taking a 1-hour lunch break.

13 29-year-old young people: sleep about 8 hours a day.

Teenagers in this age group usually need to sleep 8 hours a day, and follow the principle of going to bed early and waking up early to ensure that they fall into a deep sleep at about 3 o'clock at night. On weekdays, you should ensure that you go to bed at 24 o'clock at the latest, get up at 6 o'clock in the morning, and try not to sleep lazily on weekends. Because sleeping for too long, it will disrupt the body's biological clock, induce fibrillation and stare to cause lack of energy, affect memory, and will miss breakfast, resulting in eating disorders.

Young people are accustomed to staying up late, which will directly affect their mental state the next day, and it is easy to cause damage, acne, acne, melasma and other problems. Staying up late for a long time will also affect the endocrine, leading to a decrease in immunity, colds, gastrointestinal infections, allergies, etc., and mental symptoms such as forgetfulness, irritability, and anxiety will appear. Therefore, the most important thing for young people is to regulate their lives, do not eat 1 hour before falling asleep, and take a half-hour nap at noon, which is more beneficial to the body.

4 children 12 years old: sleep 10-12 hours a day.

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.

6-10 hours of sleep a day is appropriate, and the exact time needs to vary from person to person.

Sleep is an indispensable physiological phenomenon of the human body, about 1 3 times in a person's life in a state of sleep, sleep quality and human health has a close relationship. Adequate and high-quality sleep helps to restore mental and physical strength, can relieve visual fatigue, prevent the occurrence of vision loss, and also help to enhance the body's immunity.

Because each person's sleeping habits and sleeping environment are different, there are individual differences in the amount of sleep time per day, and the daily sleep time of minors is usually controlled at about 8 to 10 hours; Young people such as wheels and middle-aged people usually sleep 7 to 8 hours a day; The sleep time of the elderly will be relatively reduced, and the sleep time will also decrease, generally about 6 hours. Generally, if you feel comfortable, energetic, energetic, and focused after sleeping, it means that your body and brain have been fully rested, and the sleep time is generally more appropriate.

It is about 8 to 9 hours, and you should take a 20-40-minute nap at noon every day, so that you can improve your body's immunity, prevent cancer, and strengthen your physique.

The normal sleep time of a person is about 8 hours a day, and ensuring effective sleep can enhance people's memory, meet the growth needs of the human body, and improve the body's immunity.

The normal sleep time of a day is at least 8 to 10 hours, so as to ensure the body's metabolism and allow the body to develop better.

Under normal circumstances, 7-8 hours of sleep per day is sufficient for normal people. If you are delayed due to work or other things, you can make up for it appropriately depending on the amount of delay, and generally the total amount of compensation should not exceed two hours. When you wake up, do your usual activities, and you'll be energized and everything will return to normal.

Making up too much is not only useless, but will make you more mentally sluggish, and even dizzy.

It's also not good to sleep too long.

Sleep too long and lack of sleep are the same, can lead to fatigue, tiredness, metabolic rate reduction, sleep should not be too long, sleep for too long, the heart beat will slow down, the metabolic rate will also drop very low, muscle tissue relaxed, over time, people will become lazy, weak and powerless, and even intelligence will decline. Therefore, people's sleep time should not be too long, 7-8 hours of day and night for adults is enough, if you want to increase sleep time to get healthy, it will be counterproductive, increase diseases, shorten lifespan.

How do I know how much sleep I get in different seasons?

According to the medical theory of the motherland, it is advisable to go to bed late and get up early in spring and summer, and you need to sleep 5 to 7 hours a day; In autumn, it is advisable to go to bed early and get up early, and you need to sleep 7 to 8 hours a day; In winter, it is advisable to go to bed early and wake up late, and you need to sleep 8 to 9 hours a day. Conform to the laws of natural growth and collection.

Sunny, hot days with short sleep durations; Bad weather, such as rainy days, cooler winters, and long sleep hours. With the increase of altitude in the area, the sleep time decreased slightly; With increasing latitude, sleep duration is slightly longer.

The length of sleep also varies from person to person.

Sleep is a normal physiological need, but it is not always better to sleep longer. The need for sleep time is not exactly the same for people of different ages. The younger the age, the lower the excitability of the cerebral cortex, the worse the tolerance to fatigue, and therefore the longer sleep is needed.

In old age, the cerebral cortex is not as active as young people, and physical activity is greatly reduced, so the need for sleep time is also correspondingly reduced. In general, newborns sleep no less than 20 hours a day; about 15 hours for infants and toddlers, about 10 hours for school-age children; It takes about 8 hours for adults and 5 to 6 hours for seniors. This is just a rough average, and the amount of sleep required by each person per day varies greatly, which is related to many factors such as people's personality, health status, working environment, labor intensity, etc., and has a certain relationship with each person's sleep habits.

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.

MS Health Circle can improve brain fatigue — increase brain waves. Slowly improve the quality of your sleep.

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.