Ecclesiastes 5:12 in the World English Bible
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.
Context
11 When goods increase, they are increased that eat them: and what good is there to the owners thereof, saving the beholding of them with their eyes?
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.
13 There is a sore evil which I have seen under the sun, namely, riches kept for the owners thereof to their hurt.