Staying up all night may lead to gray hair, because staying up all night injures the liver and kidneys and depletes qi and blood.
Traditional Chinese medicine believes that a normal routine should be in line with nature, the night belongs to the yin, we should sleep; the day belongs to the yang, we should work, so as to balance the yin and yang, to maintain a healthy body.
If you stay up late for a long time, it may damage the kidney essence, after the lack of kidney essence will lead to deficiency of the liver and kidney (liver and kidney weakness), Chinese medicine believes that the kidney and its Hua in the hair, that is, the hair is an important manifestation of the kidneys in the outside of the liver and kidneys after the deficiency of the hair can not be nutrient moisturizing, there is gray hair.
And stay up late will also deplete the blood, Chinese medicine said hair for the blood of the rest, is the hair is a manifestation of blood exuberance, after the lack of blood, can not moisten the hair, there will be gray hair.
Therefore, a healthy work and rest time for the maintenance of hair is of great significance.