Uterine contractions in the sleep state are still comfortable and are caused by stimulation of the plant nerve function. Generally speaking in the sleep state, sympathetic nerve excitement may feel the contraction of the uterus, while there is a comfortable feeling, belongs to the normal physiological phenomenon, does not require too much intervention. Uterine contractions are generally self-sensory, and it is possible that the sensation of contraction is felt by the vegetative nerves in the sleep state. Under normal circumstances, the contraction of the uterus is not controlled by human consciousness, and the sensation of contraction may occur in the sleep state. Clinically, if it does not affect normal sexual life and there is no abnormal sensation, no special intervention or treatment is needed.