What causes bedwetting?

It’s about what happens in a child’s brain.

Many parents want to know the reasons their child wets the bed.

It’s simple: bedwetting almost always happens because a child’s brain has not learned to link needing to pee with waking and going to the loo.

Diagram showing different brain response in a child who’s learned not to wet the bed.
Bedwetting stops when a child’s brain
responds to the need to pee

Facts on bedwetting causes

Medical problems linked to bedwetting

In rare cases, a child will have a medical problem that needs treating before tackling the child's bedwetting. These include bladder infection (UTI), constipation and low Antidiuretic hormone (ADH) levels. If you think any of these may apply to your child, visit a doctor.