There are many reasons that cause women to be sore and sleepy, the common reasons are as follows: 1, kidney deficiency waist sore and sleepy in women is the most common, manifested as the entire waist sheepish pain, vague pain, soreness and weakness, exacerbated after exertion or intercourse. Chinese medicine theory that the waist for the kidney, women monthly menstrual blood loss, while pregnancy, childbirth will damage the kidney. Women who have had children and repeated abortions are more likely to have this kind of back pain.2. Strain during pregnancy and puerperium. The weight of the uterus also gradually increases with the growth of fetal age, resulting in the body’s center of gravity shifting forward, in order to maintain body balance, the waist more forward, if not pay attention to rest, it is easy to cause lumbar pain. 3, some gynecological diseases, such as pelvic inflammatory disease caused by lumbar pain and sleepy, is the main cause of lumbar pain and sleepiness common in women of childbearing age. Low back pain caused by pelvic inflammatory disease and cervicitis is more common clinically, often manifested as soreness and pain in the lumbosacral area, accompanied by abdominal cramps and increased leucorrhea.