Many listeners are probably familiar with Dr. Kirk Parsley and his work on sleep. He is a former Navy SEAL who is now an MD who specializes in sleep. In the second part of this interview with Doc Parsley, he and Mark talk more about sleep and longevity. Hear how: Laying in bed unconscious with your eyes closed doesn't mean you're actually sleeping Your sleep will be different based on what you did during the day-there's different types of sleep for recovering from physical or mental effort There are methods not to only slow aging, but to reverse aging If you cut out a part of your sleep, you are cutting out a part of your true potential Listen to this episode to learn more about the vitality of sleep, so you can properly deal and manage the VUCA world that we all live in.