Enuresis is the clinical term for bed-wetting. It is the involuntary urination during sleep after the age four or five when a person should be able to control the bladder. Infants and children’s will do unintentional urination, it is more normal for them. Many children’s achieve daytime control but not in the night time. The bladder control varies depending upon age. Some parents expect dryness at an early age. When the child is capable of holding the bladder but urinates unfortunately while sleeping is called nocturnal enuresis.