Enuresis usually refers to frequent bedwetting in children after the age of 5.
In the International Classification of Diseases, enuresis is defined as the involuntary leakage of urine during sleep at least twice a month in children aged 5 years and older; bedwetting at least once a month for more than three months in children aged 7 years and older, without obvious psychiatric and neurological abnormalities can also be considered enuresis.