 Thirdly, he says, a limitation of money. Money produces anxiety. Look at verse 12. The sleep of a laborer is sweet, whether he eats little or much, but the abundance of a rich man permits him no sleep. Solomon noticed something. Those in his kingdom who punched in for work at 8 o'clock and punched out at 5 o'clock, they were able to go home, enjoy their family, go to sleep, and never wake up until the next morning.