Alan Alda Challenges Scientists to Answer: What Is Sleep?

17:22 minutes

Actor Alan Alda created the “Flame Challenge” in 2012 to promote better science communication. Each year, he asks scientists to explain a question that keeps them up at night to 11-year-olds around the world, who choose the winning entry. This year’s question: What is sleep?

Segment Guests

Alan Alda

Alan Alda is an actor and writer. He’s a board member of the World Science Festival, and Co-founder and Visiting Professor at the The Alan Alda Center for Communicating Science of Stony Brook University in Stony Brook, New York.

Meet the Producer

About Alexa Lim

Alexa Lim is a producer for Science Friday. Her favorite stories involve space, sound, and strange animal discoveries.