Ecclesiastes 5:12 in the King James Version
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.
Context
11 When goods increase, those who eat them are increased; and what advantage is there to its owner, except to feast on them with his eyes?
12 The sleep of a laboring man is sweet, whether he eats little or much; but the abundance of the rich will not allow him to sleep.
13 There is a grievous evil which I have seen under the sun: wealth kept by its owner to his harm.