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Alan Yu

Alan was a Kroc Fellow at NPR and worked at WNPR as a reporter for three months. He is interested in everything from health and science reporting to comic books and movies. Before joining us, he studied journalism at Northwestern University, and worked at Psychology Today, NPR's Weekend Edition, and WBEZ in Chicago.

Companies like Google and Fitbit gather all kinds of data on how people behave. Why couldn't scientists use an app to do the same thing?

Two years ago, mathematicians at the University of Michigan released an app called Entrain to help people get over jet lag. Users entered data on their time zone, when they sleep, what kind of light they're exposed to, and the app gives them an ideal schedule to recover.