Desiree'
I would definitely get some help with the babies for the first couple of days at least until you get used to being one handed

Being a Mom I'm sure you already do a lot one handed so we adapt pretty quick

I had open release both hands two weeks apart too. I was under a general anesthesia and also a block for the wrist/hand. When I woke my arm was numb for a good 11 hours. He put a soft cast on, which had a plastic splint inside to keep my wrist from bending. I was told to wiggle my fingers just couldn't bend the hand which the splint prevented me from doing. After 5 days he had me take the bandage and splint off and was told to move it just not picking up things and overusing it. Basically he wanted me to stretch it out and get it moving again. The stitches were taken out a week after surgery at the doctors office. Hindsight being 20/20 I would have started physical therapy sooner, so you may want to ask the doctor about that after surgery. Good luck with your surgery....my numbness and the hands falling asleep went away just about immediately after surgery.
Jeanne