Why do we sleep? We know that sleep plays a role in learning and memory, but that doesn't really explain why sleep evolved. A lesser known theory, that sleep serves a purpose of flushing out free radicals (aka "Reactive Oxygen Species") is gaining traction after some research by Vanessa Hill and colleagues at Columbia University found that sleep has antioxidant benefits.Premiere Date: August 23, 2018 | Runtime: 00:08:37
Vanessa Hill talks psychology, neuroscience and why we act the way we do. Neuroscience has never been so animated.