Wake up at 4:00 am every day on the chest to the neck between night sweats (after going to sleep sweating abnormally, wake up sweating to stop), traditional Chinese medicine believes that more than with the yin deficiency of internal heat, forcing the fluid out of the relevant. Night sweating is also known as bedtime sweating, which is generally characterized by sweating during sleep and stopping after waking up. The occurrence of night sweating is mostly caused by internal heat due to yin deficiency, which may be due to prolonged illness, or daily overwork, evil heat depletion of yin, resulting in internal heat due to yin deficiency, and at night when yang qi enters into yin and yin fluid is insufficient, it is more serious internal heat, which forces the fluid to go out and then night sweating occurs. In addition, too much daily thinking, strain on the heart and spleen, or emotional disorders (emotional unhappiness), liver depression and fire (liver qi is blocked, leading to the production of fire and heat), etc., can also lead to the occurrence of night sweating. If you have this kind of condition, it is recommended to take into account your own specific situation and regulate it under the guidance of your physician.