Were you one of many who lined up to see "Harry Potter and the Deathly Hallows?"
According to Yale University Psychologist Paul Bloom, when we get involved in activities of imagination, whether it be watching a movie or day dreaming, we're not just wasting time.
Activities in fantasy worlds actually make up our favorite leisure time activity-- more than eating, playing or sex.
Paul Bloom explores the power of daydreaming in his book, "How Pleasure Works: The New Science of Why We Like What We Like," now out in paperback.
This interview originally aired on 8/9/10.
- Paul Bloom, Yale psychologist and author
This segment aired on August 30, 2011.