Definition of «nighttime dryness»

Nighttime dryness refers to the ability to stay dry during sleep without wetting the bed. It means not urinating while asleep.

Rubber pants were actually frowned on, and blamed for rashes — wool was the secret for nighttime dryness. (gentlediapering.com)
In fact, it's best to think of nighttime dryness as a separate but related milestone on a potty training timeline. (babycenter.com)
In fact, you might want to think of daytime and nighttime dryness as two separate potty - training milestones. (babycenter.com)
(see all sentences)