Enuresis (from the Ancient Greek ἐνούρησις / enoúrēsis), refers to a repeated inability to control urination. Use of the term is usually limited to describing individuals old enough to be expected to exercise such control. Involuntary urination is also known as urinary incontinence.
Types of enuresis include:
Also,
After age 5, wetting at night—often called bedwetting or sleepwetting—is more common than daytime wetting in boys. Experts do not know what causes nighttime incontinence. Young people who experience nighttime wetting tend to be physically and emotionally normal. Most cases probably result from a mix of factors including slower physical development, an overproduction of urine at night, a lack of ability to recognize bladder filling when asleep, and, in some cases, anxiety. For many, there is a strong family history of bedwetting, suggesting an inherited factor.