Sleep is an eight-hour peep show of infantile erotica. – J. G. Ballard

Sleep… Oh! how I loathe those little slices of death. – Author unknown, various wordings commonly attributed to Henry Wadsworth Longfell

Sleep hath its own world, and a wide realm of wild reality. And dreams in their development have breath, and tears, and tortures, and the touch of joy. – Lord (George Gordon) Byron

In its early stages, insomnia is almost an oasis in which those who have to think or suffer darkly take refuge. – Colette