“Fit with Only 4 Hours of Sleep: The Sleep Method of the Pilots” by Michael Weber

Fully recover with four hours of sleep! Is this possible? The sleeping technique of pilots allows you to have this fun, too. You skip the falling asleep phase with a special technique and recover intensively in the deep sleep phase. This technology is used by pilots for a restful short sleep. This audiobook contains a practice meditation that guides you into a deep sleep phase.