Ecclesiastes 2:23; Ecclesiastes 8:16

Ecclesiastes 2:23

23 For all his days are sorrows, and his travail grief; yea, his heart taketh not rest in the night. This is also vanity.

Ecclesiastes 8:16

16 When I applied mine heart to know wisdom, and to see the business that is done upon the earth: (for also there is that neither day nor night seeth sleep with his eyes:)