Overnight
Baby only pees once overnight — do I need the heaviest diaper?
Common questionAnswered by Wermom EditorialUpdated June 11, 2026
9mo old, only 1 wet diaper from 7pm to 7am most nights. Do I need overnight-class or can I use daytime?
A question we hear often from parents. Here is our editorial team's evidence-based answer.
Wermom Editorial answer
Wermom Editorial TeamWermom Editorial· May 21, 2026
Daytime diapers can handle 1 overnight void in 9-12 hour stretches if the diaper is properly sized. Overnight diapers' value is for 2+ voids or volume issues. Save the upgrade cost until needed.