If I'm dreaming right now then that would imply I'm asleep in the non-dream reality. Unless, of course, the memory that there is such a thing as "sleep" is itself something my mind fabricated as part of this elaborate dream. In fact even the concept of dreaming itself is certainly a dream-creation, which is patently impossible due to inherent circularity. Since impossible things can't exist in reality, I must be dreaming right now. QED.
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