Women sleep at night chest sweating may be due to the following reasons: 1, environmental factors, human sweat glands mainly in the chest, back, scalp, armpits and other parts of the distribution of dense, summer night temperatures are high, the night in the case of not open air conditioning fan will lead to chest sweating, a normal physiological phenomenon. If there are no other uncomfortable symptoms may not be special treatment, keep the room temperature moderate, air circulation can be alleviated; 2, Yin deficiency, in the case of moderate temperature and not excessive exercise sleep chest sweating for Yin deficiency, this type of situation is easy to occur in women during menopause, due to the female body hormone secretion disorder will lead to sympathetic hyperexcitation to chest sweating. In addition, from the perspective of Chinese medicine, Yin deficiency can easily lead to fire, which leads to spontaneous sweating and night sweating.