Ecclesiastes 5:12; Ecclesiastes 8:16

Ecclesiastes 5:12

12 The sleep of a labouring man is sweet, whether he eat little or much: but the abundance of the rich will not suffer him to sleep.

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:)