No need to freak out Macebaby. If you don't wake up you will never know and if you do you will have a few bad days before it gets better
Here they talk you through it if you never had a certain procedure done. I never had an epidural and I was really scared. I told them and they were very kind and understanding. They told me every step of the way what they're going to do and why. I was happy I did it.