Navy seal/navy doc Kirk Parsley is featured this episode. An MD who saw a problem with hormone supplementation in seal teams who came to be known as the "sleep doc" and opened up a whole new conversation about the root of the problem.

You can find Doc Parsley at www.docparsley.com and on instagram at @kirkparsley Also make sure to visit www.paleofx.com and follow @palelofx, where I had the opportunity to sit down with all of these high level professionals!