Don't sleep in summer, don't sleep in autumn, don't show your navel in spring and don't cover your head in winter.

Exercise more during the day, dream less at night and wash your feet before going to bed, which is better than taking tonic.

When I open the window at night, it smells good when I sleep, but I'm not sick.

Early to bed and early to rise makes you feel refreshed, greedy for housing and sleeping, adding illness and reducing age.

Grinding your teeth at night, crawling with worms, eating a pig a day, it is better to snore in bed.

Eating a sheep for three days is better than washing your feet before going to bed.

If people want to live a long and healthy life, they need to abide by the twenty-cross health policy of the ancients, that is, "law is based on yin and yang, and number is the basis, diet should be moderate, daily life should be regular, and we should not rush into it."

It means that people should follow the laws of nature, use various appropriate health-preserving methods, eat regularly, not be picky about food, live regularly, not be overworked or too comfortable, so that people can stay healthy and prolong life.

With the accelerated pace of modern life, few people can do this, so more and more people are sick. When they are old, few people are not sick. In March of spring, you lie down and get up early and get greedy for the dark, striding to court, and in Xia San month, you lie down and get up early and get greedy for the dark, and you are insatiable for the sun. In March of autumn, you lie down and get up early, and you are happy with the chicken. In March in winter, you go to bed early and get up late. You must wait for the sun. In this regard, it should be emphasized that the daily schedule must be regular.