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#551 - Graham Hancock

Release Date: 09/19/2014

The Joe Rogan Experience

Matthew Walker is Professor of Neuroscience and Psychology at the University of California, Berkeley, and Founder and Director of the Center for Human Sleep Science. Check out his book "" on Amazon.

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Graham Hancock is an English author and journalist, well known for books such as "Fingerprints Of The Gods" & "Entangled" and also a new fiction book called "War God"

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