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. His book :"Why We Sleep: Unlocking the Power of Sleep and Dreams".
Chuck Palahniuk is a novelist and freelance journalist, who describes his work as "transgressional" fiction. He is the author of the award-winning novel Fight Club, Choke, Lullaby, and many others.
Kyle Kulinski is a political activist, progressive talk radio host, social democratic political commentator, and the co-founder of Justice Democrats. He has a show in YouTube called "Secular Talk".