[His expression remained unchanged as he watched and listened, clearly not immediately dismissing the idea but finding no revelation in it either.]

My dreams aren't usually this vivid and it doesn't explain a lot of things. [The reply came as if he was thinking it out for himself. Even though it didn't seem to fit, it would explain some things and if someone was much more familiar with dreaming, it would make even more sense.]

If it is a dream, then why are you looking for a drug to make you unconscious and how, exactly, do you plan to wake up?