After yang deficiency, in order to protect your yang, you will be sleepy;

Yang deficiency is mostly caused by lung, spleen and kidney yang deficiency, which leads to loss of appetite. If constipation occurs, the stool will not be hard, but it is difficult to discharge. Poor digestion and absorption naturally thin.

Deficiency of yang leads to fatigue, chills, edema of lower limbs and dislike of drinking water;