Somnus lets her poppies fall most plentifully on those having a cool head, an empty stomach, tired muscles, a quiet conscience, and warm feet. – Author unknown, quoted by Rachel Brooks Gleason, “Sleep,” 1867

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

There are twelve hours in the day, and above fifty in the night. – Marie de Rabutin-Chantal