You've been told to get eight hours of sleep your whole life. Dr. Michael Breus — The Sleep Doctor — says that's not only wrong, it may be making things worse. In this conversation with Dwayne Kerrigan, one of the world's foremost sleep specialists breaks down the science of when to sleep, when to drink caffeine, when to workout, and why most people's sleep problems aren't about how much they sleep — they're about when.

In this episode:

The four chronotypes — Lion, Bear, Wolf, and Dolphin — and why knowing yours could reduce your total sleep while dramatically improving quality; plus why 55% of the population are Bears, and what that means for your nine-to-five schedule
The 90-minute caffeine rule: how adrenaline and cortisol make caffeine useless for the first 90 minutes after waking, and when to stop caffeine entirely to protect your sleep
The biology of the 1:00–3:00 AM wake-up: every human on Earth wakes up in this window due to a cortisol spike — and Dr. Breus's four-step protocol for getting back to sleep, including the four-seven-eight breathing technique developed by Dr. Andrew Weil for Navy snipers
Why alcohol destroys Stage 3 and 4 deep sleep — the physical restoration stage where the brain's glymphatic system flushes beta amyloid and tau proteins linked to Alzheimer's disease — and the exact wine-with-dinner timing strategy that lets you drink without wrecking your sleep
Sleep tracking devices: why none of them are accurate for measuring sleep stages, why rings outperform wristbands, why you should only review your tracker data once a week, and how to use trend analysis rather than nightly numbers
Dr. Breus's personal disclosure: he has moderate obstructive sleep apnea and stops breathing 26 times an hour — and why he wants every listener to stop avoiding sleep testing out of fear

Discover Your Chronotype - Take The Quiz: https://sleepdoctor.com/pages/dr-breus-podcast-dwayne-kerrigan

Episode Highlights:

00:00 - Entrepreneurs Sleep Differently

00:33 - Welcome and Guest Introduction

01:06 - Tony Robbins Connection

03:17 - Meet Dr Michael Breus

05:05 - Middle of Night Awakenings

07:40 - Understanding Chronotypes

11:31 - The Lion Chronotype

12:47 - The Bear Chronotype

13:18 - The Wolf Chronotype

14:23 - The Dolphin Chronotype

18:07 - Bad Sleep Habits

20:39 - Morning Workouts and Cortisol

22:27 - Perfect Time for Sex

25:20 - Understanding Cortisol

26:37 - Why We Wake at 3AM

28:57 - Don't Go Pee

30:52 - Don't Look at the Clock

31:43 - Four Seven Eight Breathing

34:59 - Getting Out of Bed

36:28 - Stay Positive

38:06 - Breathing Technique Recap

38:51 - Breathing Techniques Really Work

42:50 - Alcohol and Sleep Quality

46:47 - Caffeine Timing Guidelines

49:49 - Cannabis and Sleep

51:39 - Understanding Sleep Stages

54:29 - Sleep Cycles Explained

56:11 - Sleep Tracking Devices

01:00:08 - Choosing the Right Tracker

01:04:18 - Heart Rate Variability

01:07:17 - Quality Over Quantity

01:08:46 - Sleep Apnea and Testing

01:12:12 - Finding Your Sleep Need

01:12:36 - Closing Thoughts and Stay Tuned for Part 2

Resources mentioned:

Several of Dr. Michael Breus’ books – The Power of When, Energize!, The Sleep Doctor's Diet Plan, Good Night, and Sleep, Drink, Breathe
Four-seven-eight breathing technique — developed by Dr. Andrew Weil
Muse headband — brainwave monitoring headband for sleep and meditation
Oura Ring — sleep tracking ring
Whoop Strap — activity and sleep tracker
Apple Watch — sleep tracking
The Happy Ring from Happy Sleep — FDA-approved ring for sleep studies
Tony Robbins’s book Unleash the Power Within

Quotes:

“Eight hours is a myth, man. So many people try to force themselves to get... The math doesn't even work. Like, the right number of cycles doesn't even end up at eight hours.” - Dr. Michael Breus

“ I really, honestly, legitimately feel like I've dumbed myself down a little bit when it comes to, when it comes to my, like, abuse of sleep over the years.” - Dwayne Kerrigan

“To be clear, dude, you are your best doctor. When you wake up in the morning, if you feel good, you feel good. Like, you slept well.” - Dr. Michael Breus

“ The first liquid that crosses your lips every morning should not, I repeat, not be caffeinated.” - Dr. Michael Breus

“ Stop thinking about hours. This is a quality game, not a quantity game. If you get six and a half hours of good quality sleep- As a sleep doctor, I am much more interested than if you get eight hours of crappy sleep.” - Dr. Michael Breus

Dr. Michael Breus, Ph.D., is a double board-certified Clinical Psychologist and Clinical Sleep Specialist, and one of only 168 psychologists in the world to have passed the Sleep Medicine Boards without attending medical school. Known as The Sleep Doctor, he is the founder of sleepdoctor.com, was named the Top Sleep Specialist in California by Reader’s Digest, and one of the 10 most influential people in sleep. He is the author of several books including The Power of When and Sleep, Drink, Breathe: Wellness is Too Complicated, and has appeared on Oprah, CNN, The Today Show, and The Dr. Oz Show more than 40 times, and lectures globally for organizations including YPO and Tony Robbins' Unleash the Power Within.

Connect with Dr. Michael Breus:

YouTube: Sleep Doctor

Instagram: Sleep Doctor (@thesleepdoctor)

Take the Original Chronotype Quiz | SleepDoctor.com

Sleep Doctor At Home Sleep Test (SleepDoctor.com)

The Sleep Doctor At-Home Sleep Test provides clinical-level sleep analysis from the comfort of your own bed. Using two simple sensors and a connected app, users receive personalized results reviewed by a licensed provider in under a week.

Connect with Dwayne Kerrigan

Disclaimer: The views, information, or opinions expressed by guests during The Dwayne Kerrigan Podcast are solely those of the individuals involved and do not necessarily represent those of Dwayne Kerrigan and his affiliates. Dwayne Kerrigan or The Dwayne Kerrigan Podcast is not responsible for and does not verify the accuracy of any of the information contained in the podcast series. The primary purpose of this podcast is to educate and inform. Listeners are advised to consult with a qualified professional or specialist before making any decisions based on the content of this podcast.