[S]leep, and enough of it, is the prime necessity. Enough exercise, and good food and enough, are other necessities. But sleep—good sleep, and enough of it—this is a necessity without which you cannot have the exercise of use, nor the food. – Edward Everett Hale, “How to Get the Best of It,” c.1892

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