The book "Energize!" by Dr. Breus and Stacey Griffith can teach you how to get your groove back. Based on your unique biological makeup and the established core principles of chronobiology, they give you a simple, personalized program of small, daily movements, the best amount of sleep and fasting, and mood hacks. After reading this, you will have a lot more energy, feel happier, and no longer be tired at all. The advice of Mother Nature and your own DNA should be followed. The fascinating scientific facts, tests to determine the reader's chronotype and body type, and simple but effective techniques to improve mood and energy levels in 30 days are all included in this book.