Sleep (n.) is a terrible invention, a frightful terrible necessity; the only power to be feared.
Sleep (n.) is the highest accomplishment of genius — so one should never waste it by dreaming.
Sleep (n.) is the expression for the absence of spirit — so the older and more spiritual a person, the less beautiful asleep, while a child is loveliest sleeping; a sleeping Apollo would be ugly, a sleeping Jupiter ridiculous.
Sleep (n.) comes to a child at its mother's word; the adult who tells himself he might as well sleep wakes every unruly thought at once and rises more tired than before.
Sleep (n.) becomes a heavier burden than the burdens of the day for the sleepless; blessed the one who rises from a bed that looks as if no one rested there.