Gotta say that I will happily go through a bone marrow biopsy with my oncologist. He was absolutely aces! I have had 3 of them done by him, all without any adjunct medication, and was just fine.

And, definitely with you on waking up in the middle of an endoscopy. That happened to me, also, during a "turnaround". Endoscopy and colonoscopy procedure combined. Not my idea of a fun time, nope, no sir! The shining light was the taxi driver who took me to the hospital, who insisted he be the one to pick me up and deliver me home again, even if it was after his regular work shift.
Ginger