There is no pillow as soft as a clear conscience. — French proverb
A clear conscience makes a soft pillow. — American proverb
The softest pillow is a clear conscience. — Dr. Norman Vincent Peale
There’s been a debate for centuries about whether or not sleeping with a clear conscience makes for a better night’s sleep. It’s even a recurring theme in Shakespeare’s Macbeth who felt as though when he murdered the King in his sleep that he actually murdered sleep. Although there are plenty of theories on sleeping with a clear conscience, there haven’t been any definitive studies done to lend weight to the ages old theory regarding conscience and sleep.