My laptop and charger
Cell phone charger
Toiletries
Comfy pajamas (I was there 3 nights)
CPAP (didn't use it, but was required to bring it, since I have sleep apnea)
Lotion and lip balm
Highest weight: 277 Starting Weight: 250 Surgery Weight: 241 Current Weight: 130
Good luck with your surgery! My list was the same as moonglo's. I added slippers and a robe for all of that walking. I also brought shampoo and conditioner samples for my first shower.