I do know that it was difficult for them to get things right the first 24 hours for me too.
I had alternative pain med to codeine based opiate that worked well for me finally.
Also I feel like the bed I was in felt like a camp cot...no way to get comfortable.
Keep that mantra...temporary..
But also keep squeaking and ask them to call your OS and relay that you are having difficulty managing.
Sending good mojo, dear Elf...hang on.