Naomi was already in bed, and Fatimah brought her away in her nightdress.
The first time I saw her she was only three, and she was in her nightdress ready for bed.
Esther, we are told, slipped on her nightdress and got into bed.
Annette was there in her nightdress, looking from side to side like a hunted creature.
Jane wanted hotly to know, "or an angel in a nightdress and ...