Assuming consciousness is an internal state (nothing mystical or metaphysical), isn't this the same thing as a long nap? Ie, is the fact that the you after a n

Assuming consciousness is an internal state (nothing mystical or metaphysical), isn't this the same thing as a long nap? Ie, is the fact that the you after a nap feels like a continuation of yourself of no benefit to the you before a nap? Of course, the analogy isn't perfect since brain activity does not cease during a nap, but consciousness does.