The ProbSci gang travel to San Francisco this week for a live performance at Punchline Comedy Club as part of SF Sketchfest. Professor Matthew Walker, a sleep specialist in the psychology department of UC Berkeley, joins comedian Kurt Braunohler and Transformers: Age of Extinction star Mark Wahlberg for a fascinating discussion of something we all spend a third of our lives doing and most of us still know very little about.

Direct link to mp3 (right-click to download)