Versed has amnesic properties. Some people remember what happens, and most remember part of it as they go under or come out of it, others will forget what happened even for a while after they come out of it even though they're conversing like they're fully awake. They might think they were completely knocked out because they don't remember anything. It's mainly a sedative to calm you, not as good for pain control, so is usually given with another drug for pain control. Its amnesic properties mean if the pain control isn't enough, you forget it ever happened, not that you were necessarily comfortable the whole procedure.