Adults bedwetting at night, then the possible causes: First, occasional bedwetting, mostly related to factors such as sleeping too deeply, or drinking alcohol before bed, drinking drinks with high sugar content before bed, taking some sleeping pills, etc. This situation is only occasional, will not occur frequently, generally no special drug treatment, only need to avoid drinking water, drinking sugary drinks or drugs before bed. Second, if there is persistent bedwetting, such as bedwetting every day, you need to go to the hospital for further examination to rule out whether you are suffering from chronic urinary retention. For example, the most common cause for men is urinary retention caused by prostate enlargement, and for women it is mostly seen in diseases such as neurogenic bladder, or bladder prolapse. The above causes lead to a large amount of urine retention in the bladder, which is newly produced urine that does not flow into the bladder, but directly overflows out of the body, called overflow urinary incontinence.