I would not say that.

[ 'sup roomy.

he glances up from his spot on the bed, flipping a page of the book sitting on his lap. ]

There are a number of other possible explanations for this, some of which aren't entirely implausible. Yes, we could be figments of each other's imagination. Yes, this might be a hallucination brought on by impending doom. [ turns back down to his novel ] But you cannot say that the only things that could have caused this are death and dreams.