60 Minutes — Episode 38: The Science of Sleep/The Pursuit of Happiness

You are watching the episode The Science of Sleep/The Pursuit of Happiness "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.