causes of enuresis in children
1 This is a common cause of SNE in the pre-school child. Children with an overactive bladder pee more than usual, often have to run to the bathroom, and are often wet during the day.  Medical conditions. Bladder infections, constipation, and diabetes can also trigger secondary nocturnal enuresis.
1 The sensation of a full bladder causes most children to wake up in time to pee. But some children sleep so soundly they do not wake up to pee.  Obstructive sleep apnea (OSA). Although uncommon, obstructive sleep apnea can also cause secondary nocturnal bedwetting.