Episode Name: The Science of Sleep/The Pursuit of Happiness
Episode Overview: "The Science of Sleep" rebroadcasts a segment on how scientists are discovering that sleep is critical to human health. "The Pursuit of Happiness" rebroadcasts a segment on Denmark which researchers claim is the happiest country in the world. "Andy Rooney" talks about what makes a person wealthy.
Episode Number: 38
Episode Season: 40
Episode First Aired: 2008-06-15