It’s probably fair to assume that at this moment, you are, in fact, awake. You’re reading; you’re scrolling; sometime in the not-too-distant past, you somehow made your way to The Atlantic’s website. All waking activities.
But let’s say, hypothetically, that as you’re reading this, the floor and everything else beneath you dissolve, leaving your body floating where your chair had been seconds before. No one around you seems to think this is odd; they’re all floating, too.