Tips for making up lessons for health: "It is advisable to get up early in spring and summer and sleep in autumn and winter. After avoiding the sun, avoid the cock crow early. " Note: Sleeping quietly means going to bed very late and getting up very late.

Sun Simiao Health Care Inscription: Fever less in spring and summer, strengthen yang in autumn and winter!

Huangdi Neijing: At the time of four seasons, both cold and heat are suitable. Nourish yang in spring and summer and yin in autumn and winter.

Tao Hongjing in the Southern Dynasties: material desires are often overworked, and labor is not excessive; If you have a bad appetite, don't be hungry. Don't be empty in winter and full in summer. Get up early before the crow, and get up late after sunrise.

Qing Yang wrote in Song of Self-cultivation: Living in a cave on the side of a mountain, facing the sea, you can sit still and stand still. Wear old women to keep out the cold. You can wear new ones or old ones. Live in the mountains and collect herbs to play, play, not play!

Ying Kun, a writer in the Three Kingdoms Wei Dynasty. The full text is: "There were passers-by in ancient times. Over 100 years old, weeding. How can you live long in a car? Speech before the lecture: rough and ugly inside. Speech before middle age: measuring abdominal pain. Speaking before the next meeting: Don't lie down at night. It takes three words to last! "

Mao Zedong encouraged himself when he was young: If you have a constant, why do you sleep at night and get up at five? The most useless thing is to be frozen for ten days.