Sleep is a universal human experience. It's a vital part of our lives, yet it's often misunderstood. How much sleep do we really need? How much of our lives do we spend sleeping? These are questions that have puzzled scientists, health professionals, and the general public alike. In this article, we delve into the topic of sleep duration. We aim to dispel common myths and present the facts, backed by scientific research. We'll explore how sleep duration varies by age and individual needs. We'll also discuss the impact of sleep on our physical and mental health. We'll debunk popular sleep myths, such as the idea that everyone needs exactly 8 hours of sleep. We'll also examine the concept of 'sleep debt' and whether it can truly be 'paid off'. This article is designed to provide health and wellness coaches, science journalists, and biohackers with reliable, comprehensive, and accessible information on sleep duration. It's also for anyone interested in understanding and optimizing their sleep for better health and wellbeing. Join us as we unravel the mysteries of sleep duration, and discover how to make the most of this essential aspect of our lives.