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Maniac Book Club: The Power of When by Michael Breus, PhD

Maniac Book Club: The Power of When by Michael Breus, PhD

Our most recent Maniac Book club selection was The Power of When by Michael Breus, PhD. Breus is a clinical psychologist and a diplomate of the American Board of Sleep Medicine. He’s also a fellow of the American Academy of Sleep Medicine. Using over 200 evidence based studies, he encourages the reader to stop worrying about the how and why of what they are doing. They should instead focus on when they are doing it!

“Knowing when to do something is the ultimate personal life hack.”

Our biological clock sets our energy level throughout the day. It releases hormones that have different effects on our body and brain. By looking at our natural sleep patterns, Dr. Breus was able to categorize four distinct chronotypes: the lion, the bear, the wolf, and the dolphin. A chronotype is the internal circadian rhythm or body clock of an individual. It influences the cycle of sleep and activity in a 24-hour period. Each chronotype has over 100 circadian rhythms associated with it. By combining the knowledge of what activities are involved in which circadian rhythms, you can identify the best time of the day to do just about everything and anything in your life.

If you are having a hard time getting things done, it is quite possible that you are working against your body’s natural clock. By adjusting the day’s activities according to your chronotype, you can put your day in rhythm with your body. This will help to achieve optimal health, happiness, and productivity. Click the image to take a short quiz to determine your chronotype.


Each Chronotype has different strengths and weaknesses, and understanding which chronotype you are can help you determine how to best organize your day.

The Power of When by Michael Breus, PhD. Breus is available on Amazon.

Download our full report, where you’ll find a chart that identifies the ideal times for daily activities that anchor your schedule based on sleep chronotypes.

Do you have an interest in participating in our monthly Maniac’s Book Club? Join our Facebook Group!

Cris Sgrott

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