2018-08-23

[public] 19.2K views, 1.53K likes, 12.0 dislikes audio only

BrainCraft

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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.

BrainCraft was created by Vanessa Hill (@nessyhill) and is brought to you by PBS Digital Studios. Talking psychology, neuroscience & why we act the way we do.

Thanks to Vanessa Hill, PhD for her time in creating this video.

Vanessa's paper:

Hill, V. M., O’Connor, R. M., Sissoko, G. B., Irobunda, I. S., Leong, S., Canman, J. C., ... & Shirasu-Hiza, M. (2018). A bidirectional relationship between sleep and oxidative stress in Drosophila. PLoS biology, 16(7), e2005206. http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.2005206

Antioxidant benefits of sleep, Science Daily: https://www.sciencedaily.com/releases/2018/07/180712141715.htm