disposable right? yes especially at night babies sleep better as they are not disturbed by the wetness of pee and poop. plus less hassle of washing. but it will be up to you to check for a full or soiled diaper.

Yes it's safe. do change every three hours and immediately if baby passed poop. You may also want to apply a diaper rash cream to protect the baby's bottom.

u can use but keep changing it for every 2 to 3 hours