

#5906
Mentioned in 5 episodes
The Power of When
Discover Your Chronotype
Book • 2016
In 'The Power of When,' Dr. Michael Breus presents a revolutionary approach to enhancing health, productivity, and happiness by understanding and aligning daily activities with your unique chronotype.
The book categorizes individuals into four chronotypes—Dolphins, Lions, Bears, and Wolves—based on their sleep and wake patterns.
It provides a comprehensive Bio-Time Quiz to help readers identify their chronotype and offers insights on the best times to perform various activities such as exercising, eating, and working.
By synchronizing daily routines with the body's natural rhythms, readers can improve their energy levels, focus, productivity, and overall well-being.
The book categorizes individuals into four chronotypes—Dolphins, Lions, Bears, and Wolves—based on their sleep and wake patterns.
It provides a comprehensive Bio-Time Quiz to help readers identify their chronotype and offers insights on the best times to perform various activities such as exercising, eating, and working.
By synchronizing daily routines with the body's natural rhythms, readers can improve their energy levels, focus, productivity, and overall well-being.
Mentioned by












Mentioned in 5 episodes
Mentioned by 

as a book he wrote.


Dave Asprey

190 snips
Sleep Smarter, Live Longer: Matthew Walker and Sleep Experts share Secrets to Better Sleep Performance : 1206
Mentioned by 

as another book about circadian rhythms.


Mike Vardy

Dr. Martin Moore-Ede Talks About Light, Health, and Productivity
Recommended by ![undefined]()

to understand social jet lag and its impact on sleep.

Siffat Haider

2025 Glow Up Series: How To Become a Morning Person
Mentioned by ![undefined]()

as one of the books written by Dr. Michael Bruce, the guest in this episode.

Nathalie Niddam

#355: Sleep SECRETS Unlocked: Chronotypes and the Real Reason You’re Tired (with Dr. Michael Breus) | Sleep, Hydration & Breathwork
Mentioned by ![undefined]()

as a #1 Amazon bestseller.

Chris Reynolds

Ep.533 ~ Everything You Need to Know to Optimize Sleep ~ Dr. Michael Breus
Recommended by 

as one of his favorite books.


Jim Kwik

How to Become Mentally Vibrant & Alive with Dr. Michael Breus
Recommended to help understand chronotypes and how to adapt sleep schedules accordingly.

Sleep, Anxiety, And Insomnia: How To Sleep Better When You'Re Anxious
Mentioned by 

in relation to sleep energy levels.


Mike Vardy

A Very Special Episode: Welcome to 2025 (The Annual Preview)
Mentioned by 

as a science-based research guest who wrote a book on chronotypes.


Mike Vardy

Michelle Gielan Talks About Broadcasting Happiness and Resilience
Mentioned by ![undefined]()

as a book 

wrote.

David Chilton


Amanda Lang

#19 — Amanda Lang: Canada’s Economy and the Impacts of AI
Mentioned by 

when discussing the diversity of sleep needs across species.


Dave Asprey

Sleep Need & Sleep Age: Find Out Yours – Dan Gartenberg : 583
Mentioned by 

when discussing the importance of understanding circadian rhythms and eating strategies.


Dave Asprey

Beyond Ketofast: Your Need-to-Know Guide – Part 2 with Dr. Joseph Mercola : 588
Recommended by 

after reading it late at night, praising its impact and clarity.


Dave Asprey

Better Sleep Month Part 1 – You’re an Animal, Says Your Biological Chronotype : 589