Judith slept far into the morning the sound, deep sleep of exhaustion; that sleep of the heavy-hearted from which, almost by an effort of will, the dreams are banished. – Amy Levy (1861–1889), Reuben Sachs: A Sketch, 1888

Nor will the sweetest delight of gardens afford much comfort in sleep; wherein the dullness of that sense shakes hands with delectable odours; and though in the bed of Cleopatra, can hardly with any delight raise up the ghost of a rose. – Sir Thomas Browne

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