1, the best sleep time for the elderly over 60 years old is 5.5 ~ 7 hours, and the deep sleep is 1.4~ 1.75 hours.

2. The best sleep time for adults aged 30-60 is about 7 hours, and the deep sleep is 1.75 hours.

3.13 ~ The best sleep time for young people aged 29 is about 8 hours, and deep sleep is 2 hours.

Extended data:

Bad living habits will reduce the quality of sleep, so you must pay attention to:

1, don't fall asleep drunk, drinking instead of hypnotics will often aggravate insomnia. Alcohol instead of sleeping pills will reduce deep sleep and increase the number of waking up at night.

2, avoid strenuous exercise before going to bed, try to keep your body calm before going to bed, you can do some light activities like walking, strenuous exercise is easy to make people nervous and difficult to calm down.

3, eat less and eat early at dinner, eating too much is easy to cause food accumulation, increasing the digestive burden of the stomach at night.

It is not a good habit to fall asleep while watching TV, especially don't fall asleep while watching TV.

5, pajamas should be loose, don't wear too thick.

6. Couples and other two people don't sleep relative to each other, so they have a feeling of breathing tail gas, because the substances exhaled by two people are generally human excreta.

People's Network-The best sleep time is different at different ages. See how many hours you should sleep.

Baidu encyclopedia-deep sleep