Longevity expert Gerd Wirtz introduces the "7:1" sleep rule to help individuals overcome persistent exhaustion. Despite getting enough hours of sleep, many people still feel tired due to an unstable internal rhythm. Wirtz emphasizes that a consistent sleep schedule is more critical for health than the mere quantity of rest. By implementing this specific rule, individuals can potentially extend their life expectancy by up to four years. The method focuses on stabilizing the body's natural clock to improve overall vitality. Wirtz provides practical guidance on how to integrate this rhythm into a daily routine. Following these scientific recommendations allows for a more energized start to the day.