Of all the things a man may do, sleep probably contributes most to keeping him sane. It puts brackets about each day. If you do something foolish or painful today, you get irritated if somebody mentions it, today. If it happened yesterday, though, you can nod or chuckle, as the case may be. You've crossed through nothingness or dream to another island in Time.
Roger ZelaznyThus did I bear Sir Lancelot de Lac to the Keep of Ganleon, whom I trusted like a brother. That is to say, not at all.
Roger Zelazny