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ENCORE We’ve all hit the snooze button when the alarm goes off, but why do we crave sleep in the first place? We explore the evolutionary origins of sleep … the study of narcolepsy in dogs … and could novel drugs and technologies cut down on our need for those zzzzs.
Plus, ditch your dream journal: a brain scanner may let you record – and play back – your dreams.
And, branch out with the latest development in artificial light: bioluminescent trees. How gene tinkering may make your houseplants both grow and glow.
- Emmanuel Mignot – Professor of psychiatry and behavioral sciences, and director of the Stanford Center for Sleep Sciences and Medicine, Stanford University
- Kyle Taylor – Molecular biologist at Glowing Plant
- Jerry Siegel – Neuroscientist and professor of psychiatry, the University of California, Los Angeles
- Jack Gallant – Professor of psychology and neuroscience, University of California, Berkeley
First released May 27, 2013.