Who knows how many hours a 20 year old sleeps for normal sleep

8 hours or 7 hours, and take a nap at noon.

Four hours, young people have to struggle more.

A 20-year-old should sleep for 8 hours. In fact, the best sleep time for different ages is different, everyone should sleep scientifically according to their age, as long as they are not sleepy during the day, it means that the sleep time is enough. Some people sleep for a long time, and some people sleep for a short time.

The length of sleep varies with the seasons and decreases with age.

Seniors over the age of 19: Sleep for an hour per day.

Adults aged 60: Sleep about 7 hours a day.

29-year-old young man: Sleep about 8 hours a day.

A 20-year-old adult needs to get a full 8 hours of sleep a day.

Generally speaking, the best time for people to sleep is from 11 p.m. to 6 a.m., and it is extremely beneficial for the body to be able to fall asleep on time during this time period, especially from 11 p.m. to 3 a.m.

In addition, adequate sleep time is also extremely beneficial to the body, if you are over 60 years old, you need to sleep for about 6 hours a day.

Teenagers and young adults have about 8 to 12 hours a day, middle school students have about 9 hours a day, and college students and adults can basically have 8 hours a day.

A study released by University College London on May 28 said that sleeping less than 7 hours or more than 9 hours a day may have a negative impact on cognitive performance, including memory and reaction time.

Overall, people who slept less than 7 hours a day made 5% more mistakes on visual memory tests, while those who slept more than 9 hours made 9% more mistakes.

However, the researchers also said that further research is needed to clarify the relationship between sleep duration and changes in cognitive performance, especially since there is not much evidence linking the former with the risk of developing dementia, and further research is needed in this area in the future.

1.Normal people sleep for 6-8 hours, and some sleep for 10 hours ......2.Beauty sleep is available from 10 a.m. to 2 a.m.

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.As for beauty lovers, they should sleep before 2:00 a.m., because the metabolism is ...... before 2:00 a.mI think it should, though.

5.If you want to sleep normally, it is recommended to take oral sleep fragrance and stick to it for a period of time, it will be well improved.

The normal sleep time of 20-year-old people a day is 7-8 hours, the quality of sleep is not only determined by the length of sleep, the quality of sleep is also very important, if you want to improve the quality of sleep, the most important thing is to take oral sleep fragrance every day to regulate sleep, which can improve sleep, insist on taking it, can improve sleep quality and have a good sleep.

The normal sleep time of adults aged 20-30 is 7-9 hours, and if conditions permit, they can sleep for half an hour to about an hour at noon, which is more beneficial to the body.

If you want to achieve a normal sleep time, it is recommended to take the sleep fragrance orally, which can improve sleep and improve immunity.

Adults generally sleep for 7-9 hours The human body's requirements for sleep, generally young adults sleep 7-9 hours a night, teenagers and young children increase 1-3 hours, and the elderly decrease 1-3 hours, which is the requirement for sleep (time) at different ages.

Of course, a really good sleep is not only a matter of time, but more importantly, the quality of sleep. If you have stayed up late or had insomnia, it is important to pay attention to maintaining a healthy sleep schedule. It is best to drink sleep incense before going to bed, which can help improve insomnia, reduce the number of night awakenings, and help improve sleep quality.

Generally, you sleep for 6 to 8 hours. The key is to develop a good habit and live a regular life.

Advice: 6-8 hours of sleep per day. When the sleep biological clock is operating normally, the person's sleep is in a normal state, and once the biological clock is disrupted, the phenomenon of sleep disorder will occur, resulting in sleep disorders.

If you don't sleep well, lack of sleep or insomnia, you can take oral sleep fragrance to improve, and stick to it for a period of time to help you sleep comfortably, improve sleep quality, soothe your nerves, and fall asleep easily.

Under normal circumstances, young and middle-aged people should ensure that the sleep time is eight hours, children are guaranteed ten hours, and the elderly are six hours, only sufficient sleep can ensure the next day's work and study, and develop good living habits, go to bed early and get up early, work and rest regularly, eat and sleep on time every day, if there is insomnia, you can take oral sleep fragrance before going to bed, which can reduce anxiety and help you fall asleep quickly.

Longer sleep is better? How long should I sleep each day? This is determined according to age, life tips, life tips, life tips.

Adults can sleep for 7-8 hours. If you want to improve the quality of sleep, here is a healthy and safe way, take it orally every day, natural sleep aids, and insist on taking it for a period of time, which can promote sleep and improve sleep.