If you come round lying on your back, don't try to sit up. It takes a little longer before you regain proper control of your limbs. I always try to sit up too soon and end up falling back down like a heavy sack of potatoes.
In Britain, they used to put you out before you got wheeled into the cutting room. Here in Belgium, you're actually on the slab with all the tools out and the beeps beeping before they do it. So that's a pretty unwelcome change.
The older I get, the more scared I get before a general. But the truth is that the experience is always the same, it's me that changes.