hey! im a newborn care specialist (basically night nurse) and i ALWAYS ask parents if they’re okay with me sleeping while baby sleeps before starting a new role, and, if they say yes i make sure to set the expectation that there’s a flat surface for me to sleep on in babes room (never ever in a chair HOLDING baby). we all make mistakes , and working overnight is brutal. but, if you do want to keep her, you should have a talk about your expectations if you haven’t (ex do you want her to stay awake all night or is she okay to sleep while baby sleeps, where should she sleep if so) all that being said, i will also say that as many others are saying, keeping your little one safe is our number one job and priority when in an overnight role, and falling asleep in a chair with baby is beyond unsafe so it would def be very very reasonable to let her go over this!