Adults who wet the bed while dreaming may have clinical causes such as drinking too much water at night, prostatitis, and urge incontinence. 1. Drinking too much water at night: some people drink too much water at night, producing too much urine and making the bladder overfilled, if the human body is more tired at this time or in a deep state of sleep, it is possible to have bedwetting. 2. Prostatitis: when the prostate gland due to bacterial infection or sterile inflammation and swelling, it will top the bottom of the bladder, the bladder has a large number of receptors and make the human body prone to urinary urgency, frequent urination, urinary pain and other symptoms, part of the case may not be able to hold urine. 3. Urgency of urinary incontinence: clinically, the diseases that lead to this situation are urinary tract tumors, urinary stones and urinary tract infections, etc., the sick people are prone to frequent urination, urinary urgency, urinary pain, etc., and in severe cases will be accompanied by urinary incontinence. If the disease factors caused by this situation, it is recommended to go to the hospital to do the examination to clarify the diagnosis, and then targeted treatment.