How does one of the world's leading experts on happiness start the day?
Tal Ben-Shahar, a former Harvard professor who taught positive psychology, considered the most popular class in the university's history, is now an author and lecturer whose books include the New York Times bestseller.
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Ben-Shahar told TODAY about the best ways to wake up on a joyful note. Read on for his full routine, and find more TODAY Morning Routines here.