Mark talks to his good friend Doctor Parsley about the importance and physiology of sleep. Kirk Parsley is a former Navy SEAL, a doctor, author and entrepreneur. His book is called "Sleep to Win: How Navy SEALs and Other High Performers Stay on Top".  Kirk also produces the Sleep Remedy, a mixture of supplements to help your body sleep properly. Listen to this podcast to find out: Why we often undervalue sleep, especially in the high performance community (HINT: Sleeping too little is often seen as a sign of toughness!) How to stop being "woken up" by things that take up your attention Why we should be teaching kids about sleep and their sleep needs Why proper rest is so important to achieving peak performance