Lounge/pjs for post-birth. Going hone clothes for baby and mama. Toiletries, phone charger, chap stick (i had to have an oxygen mask and chap stick was so wonderful), medical paperwork (medical power of attorney?). Baby book if you keep one- you can ask them to stamp baby's foot right in the book when they do their copy.
Things i will pack for my dh/mom: cameras and chargers. Laptop and charger.