1、 Newborn: 17-20 hours
For newborn babies born 1-2 weeks, the required sleep time is about 17-20 hours (including daytime sleep), the depth of sleep at this time will affect the development of neonatal maturity, need a lot of sleep. Besides, the newborn’s sleep, about half of the time in the dream.
2、 Children aged 1-6 months: 14-17 hours
Newborn from the beginning because just from the mother’s amniotic fluid environment from the original almost all sleep state, began to slowly enter the stage of waking time increase.
3、 Children aged 6 months to 3 years: 13 to 14 hours
At this stage, children begin to form a circadian clock. Although there are still many episodes of sleep during the day, the awake time has gradually increased, and the sleep hours have been reduced to 13-14 hours. It is suggested that parents should help their children to stay awake for about 2 hours after a nap, and then let them sleep in segments to ensure that they can get enough sleep at night.
4、 Preschool children aged 3-6: about 12 hours
Preschool children have established an obvious circadian clock state, and the total amount of sleep is reduced to about 12 hours. Most of them can keep awake during the day, but because they are still developing, they usually have a nap during the day.
5、 6-12 years old primary school: 9-11 hours
When they reach the age of the primary school, the total amount of sleep in a day is about 9-11 hours. It is normal for some children to feel tired and sleepy after taking a nap at noon or concentrating on class for a long time.
6、 Adolescents aged 13-18: 8-10 hours
Teenagers need 8-10 hours of sleep a day, and their sleep pattern is close to that of adults. However, because they are still in the stage of development and growth, parents are reminded not to let their children stay up late to study at this stage.
7、 Adults aged 18-64: 7-9 hours
Adults need 7-9 hours of sleep, which can be adjusted according to their physical condition. However, according to the survey, the average sleep time of adults is less than 8 hours, which is related to overtime work or night leisure. It is suggested that it is best not to stay up late. On the one hand, it is better not to be depressed during the day. On the other hand, it is harmful to the human body by staying up all night. It takes several days of supplementary sleep to recover, which is easy to accelerate aging.
8、 People over 65 years old: 6-8 hours
Entering the stage of over 65 years old, the metabolism of the body decreases, making the state of sleep become. During the day, because of mental fatigue, the number of naps becomes more, and at night, because it is unable to maintain a long sleep cycle, it causes less sleep. If you exercise during the day, it can help you sleep for a long time at night. And the total sleep hours become 6-8 hours, usually 20% of the night sleep time in the dream.
Sleep schedule of different age groups, how long does the human body need to sleep a day?