How many hours a day is the best night s sleep? 40

Generally speaking, 8 hours is the normal amount of sleep required by the human body, but it depends on individual circumstances: children and the elderly sleep longer, and young people can sleep less often. It's young after all.

6 8 hours, there is no certainty, it depends on yourself, and there is a cycle of deep sleep and light sleep is about 1 and a half hours, and your specific sleep time can be adjusted according to this.

12 hours a day for those over 12 years old 8 hours a day for young people over 12 years old, 6 hours for the elderly The landlord chooses me

6-8 hours is the normal sleep time.

8 hours, the distribution should be reasonable, it is better to take a 30-minute nap at 12 noon, and you must sleep well at 10 and 2 o'clock in the evening, the main period of liver detoxification is related to important health problems and repair.

Even if you can't arrange it freely, remember that the 2 12 o'clock every day are important periods for sleep.

Go to bed before 11 p.m. and sleep until you wake up naturally.

I once watched a health program that said that it is best to sleep when a person wants to sleep, and if you want to sleep, it means that your body needs to rest, and at this time, even if you squint for 5 minutes, it is also a relief for the body.

8 hours, the human body sleeps normally.

Vary. Because of age. It depends on you ... 4 hours of sleep with high quality can be used as 8 hours of sleep for others... Just see how long you sleep on your own without feeling uncomfortable.

I think it's generally 8-10 hours, from 10 pm to 7 am, 1 o'clock at noon and 2 o'clock at noon, it is not advisable to sleep more but at least 40 minutes at noon, and it will be very tiring to sleep for a long time.

Multiples of hours, 6 hours is personally recommended.

8 hours, no more than 40 minutes nap.

A healthier body and sleep must be a top priority. Normal adults get six to eight hours of sleep a day, and it's recommended to go to bed before 11 p.m.

As long as the average adult ensures that he goes to bed before 11 o'clock and gets 7-9 hours of sleep a day, he or she can achieve the best state of sensory and physical function.

Sleep time varies depending on the age group:

1. Newborns: Newborn children sleep about 20 hours a day, and babies sleep about 14 to 15 hours a day;

2. Teenagers and young adults: primary school students are teenagers, about eight hours to 12 hours, middle school students are about nine hours a day, college students and adults are basically eight hours a day;

3. Elderly: 60 years old and over 60 years old sleep about nine hours a day, if the elderly sleep less at night, you can use the noon time to make up.