We’ve all heard stories of bedwetting brought about by placing a sleeper’s hand in a pan of warm water. Yet attempts at experimental confirmation have hardly been flush with success. Are the stories true? And if so, what urological or psychological mechanism is at work?

We spend years developing the ability to stay dry at night. Why not spend a few minutes reading about how easily it can be undone?

Will Putting People’s Hands in Warm Water Really Make Them Wet the Bed?