Why are you getting sleepy?

"Yellow Emperor Nei Jing. Su Wen" said: "long vision injury blood, long lying injury Qi", in traditional Chinese medicine Qi is the basic substance to maintain human life activities, is a very strong vitality of the subtle substances, it comes from nature's clear Qi, diet in the grain essence of water and so on. If long-term sleep, lack of exercise, will affect the absorption of spleen and stomach water grain essence, and people's inhalation of nature's clear qi, and cause the human body fluid distribution disorder, qi operation is not smooth, showing limb fatigue, fatigue, weakness, shortness of breath and other symptoms. Therefore, we should develop good sleep habits, in the morning when yang qi is generated appropriate exercise, at night when yang qi is hidden into the body should be timely sleep, so that the human body can balance yin and yang.