Bedwetting occurred last night at the age of 30, mostly incidental bedwetting, possible causes: i. Sleeping too deeply, such as overexertion or drinking alcohol, drunkenness and other states, oral sleeping pills, etc., may lead to incidental bedwetting at night. After removing the relevant triggers, bedwetting will not occur and is not a state of disease, so no special treatment is needed. Second, if you drink more water before bedtime or drink food or fruit containing more water, it may lead to occasional bedwetting at night, which is a normal physiological phenomenon, not a frequent phenomenon, and does not require any treatment. Third, the presence of related organic diseases, such as the presence of innervation disorders, resulting in continuous bladder diastole, a large amount of urine retention in the body, the bladder pressure exceeds the urethral closure pressure can appear bedwetting. This type of bedwetting is persistent, meaning that bedwetting occurs every day, and requires a urodynamic test at the hospital to find out if there are factors such as bladder dystocia. There may be factors such as urethral strictures that cause increased pressure in the bladder, which can lead to bedwetting with urinary retention. This type of bedwetting is also a frequent phenomenon with difficulty in urination and requires further clarification by urethroscopy at the hospital.