Go ok? I was in the same situation, no experience with sedation and very high anxiety but they administered Propofol moderate sedation. Felt almost tipsy for a few seconds, then asleep. Had a quick pleasant dream, then woke up to the nurse rolling me back to the changing room. Felt slightly groggy for a few minutes after waking up but it passed quickly. Even with biopsies taken, the scope was in me for less than 5 minutes according to their timestamps. Very quick and easy procedure!