Ever notice the catnaps that older relatives take in the middle of the day? Or how grandparents tend to be early risers?
You're not alone. Colleen McClung did, too. A neuroscientist at the University of Pittsburgh Medical Center, McClung wanted to know what was going on in the brain that changes people's daily rhythms as they age.
You won't be able to sleep after experiencing this thrilling episode.Learn who sleeps in the nude and many other fascinating things, with accompaniment from Bobby Lewis, Petula Clark, The Beatles and special cameos from The Three Stooges.