Finish each day before you begin the next, and interpose a solid wall of sleep between the two. – Ralph Waldo Emerson

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

Impossible to spend sleepless nights and accomplish anything: if, in my youth, my parents had not financed my insomnias, I should surely have killed myself. – E. M. Cioran