Insist on going to bed early (before 22 o'clock), get up early (around 5 o'clock) and go out. Don't wash your face, comb your hair, don't button your coat, stride for more than an hour, and persist in spring, summer and autumn, which will benefit you for life! It will reduce many diseases and avoid serious diseases.

Huangdi Neijing said: "The right time, the right place and the right people." The "time" here refers to the four seasons of Yin and Yang, specifically, nourishing Yang in spring and summer and nourishing Yin in autumn and winter. Nourish the lungs and yin, go to bed early and get up early, and be calm, otherwise you will hurt your lungs. Diet and daily life, food, clothing, housing and transportation must also be suitable for the season.

Huangdi Neijing says: We should adjust our spiritual will and secular desires according to the changes of the four seasons. It also emphasizes adjusting breathing, that is, "pranayama" and practicing breathing and breathing.

Extended data:

The basic theoretical spirit of Huangdi Neijing includes: holistic view, yin and yang, five elements, viscera and meridians, etiology and pathogenesis, diagnosis and treatment, prevention and health preservation, and luck theory.

"Holism" emphasizes that the human body and nature are a whole, and the structure of the human body and its parts are interrelated.

② "Yin-Yang and Five Elements" is a theory to explain the unity of opposites between things.

③ "Zangxiang Jing" mainly studies the physiological functions, pathological changes and their relationships of the five zang-organs, the twelve meridians and Qijing.

④ "Etiology and pathogenesis" expounds whether various pathogenic factors act on human body and the internal mechanism of disease changes.

⑤ "Diagnosis and treatment" is the basic principle for TCM to recognize and treat diseases.

Baidu encyclopedia-Huangdi Neijing