en_tn/ecc/05/12.md

The sleep of a working man is sweet

a man who does good or honest work can be content with himself knowing He did a good day's work regardless of his pay.

whether he eats little or a lot

"whether he eats a little bit of food or a lot of food"

does not allow him to sleep well

a rich person is never satisfied with his wealth. He stays awake at night being concerned about his money. AT:"keeps him awake at night"