9 Tips to Stop a Baby From Peeing Through Diapers at Night ...
Jun 23, 2018·Sometimes a bigger diaper at night can help prevent leaking. For example, if your baby is wearing a size 3 during the day but is peeing through these diapers at night, try going up to a size 4. Keep your baby in their size 3 during the day but get a box of size 4 for nighttime. The bigger diaper needs to still be snug around the waist and thighs.