Answer:
Bed-wetting — also called nighttime incontinence or nocturnal enuresis — is involuntary urination while asleep after the age at which staying dry at night can be reasonably expected. Soggy sheets and pajamas — and an embarrassed child — are a familiar scene in many homes. But don't despair. Bed-wetting isn't a sign of toilet training gone bad. It's often just a normal part of a child's development. Generally, bed-wetting before age 7 isn't a concern.