Dr. Michael Breus reveals how chronotypes—lion, bear, wolf, dolphin—unlock better sleep, energy, and health by aligning with your genetic rhythm.

Dr. Michael Breus, “The Sleep Doctor,” explains how chronotypes—our genetically wired sleep schedules—affect more than just when we wake and sleep. He reveals the four chronotypes, their personality traits, and how timing influences intimacy, caffeine, exercise, and productivity. With simple schedule shifts, you can unlock better sleep, health, and energy without pills or gimmicks.

Dr. Breus is the author of four books, with the newest book (2021), Energize! Go from dragging Ass to kicking it in 30 days, adds the concepts of Movement (not exercise), and Intermittent-Fasting to his already famous Sleep Chronotypes. And it was recently named one of the top books of 2021 by The Today Show. In his 3rd book (2017), The Power of When, which is a groundbreaking bio-hacking book proving that there is a perfect time to do everything, based on your biological chronotype (early bird or night owl). Dr. Breus gives the reader the exact time to have sex, run a mile, eat a cheeseburger, buy, sell, ask your boss for a raise, and much more based on over 200 research studies.

He is an expert resource for most major publications, doing more than 400 interviews per year (Oprah, Dr. Oz, The Doctors, NY Times, Wall Street Journal, etc.-list available). Dr. Breus has been in private practice for 23 years and recently relocated to and was named the Top Sleep Doctor of Los Angeles by Reader's Digest.