Michael Breus is a clinical psychologist and sleep specialist known as "America's Sleep Doctor." Breus is also co-author of the new book "Energize!: Go from Dragging Ass to Kicking It in 30 Days." In the book, Dr. Breus and Soul Cycle instructor Stacey Griffith use the scientifically proven core principles of chronobiology and biological body type to offer an easy-to-understand, personalized program of small, daily movements, sleeping and fasting on schedule, and mood hacks to give readers a boost of energy, promote happiness, and fight off fatigue.

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