Ecclesiastes 8:15-16

¹⁵Therefore do I praise joyfulness, that there is nothing better for man under the sun, than to eat, and to drink, and to be joyful; for this will adhere to him in his toil, during the days of his life which God hath given him under the sun.—

¹⁶When I applied my heart to know wisdom, and to see the employment that is done upon the earth, how even neither by day nor by night sleep is seen in the eyes of some men: