Sleep can promote physical and energy recovery; protect the brain, improve memory; enhance body resistance, regulate emotions; promote children's physical growth and brain function development; accelerate skin regeneration, prevent aging, etc. The sleep time required by different ages is different. In general, newborns need up to 16-20 hours of sleep, 9-12 hours for infants, 9-10 hours for children, 7-8 hours for adults, and 5 hours for the elderly.

Go to bed and wake up simultaneously consistently. Doing so can set the internal biological clock of the body, thereby optimizing the quality of sleep.