Today

293. Admiral Brian Christine, MD: Why 77% of Young Americans Can't Serve in the Military

When Dr. Brian Christine, the 18th Assistant Secretary for Health, told me men's sperm counts have dropped nearly 50% in just a few decades, it stopped me cold. We got into why America has fallen below replacement fertility, what's really driving it, from microplastics to ultra-p ... Show More

49m 36s

Aug 4

292. Dr. Josh Axe: Why Your "Normal" Bloodwork Is Lying to You and What to Test For Instead

Dr. Josh Axe spent two years exhausted before an advanced blood panel revealed the real problem: his vitamin B2 was almost undetectable, and his mitochondria were badly depleted. Once he corrected it, his energy went from a 6 out of 10 to a 10 out of 10. The fix wasn't a stimulan ... Show More

1h 1m

Jul 30

291. The GLP-1 Side Effect Nobody Warns You About

You might think the win on a GLP-1 like Ozempic or Mounjaro is the number dropping on your scale, but I need you to ask a better question, not how much you're losing, but what kind. In some studies, 40 to 60% of the weight people lost on these drugs came from lean muscle, not fat ... Show More

6m 55s

Jan 2024

The Fitness Scientist: "Even A Little Alcohol Is Hurting Your Health!", "Late Night Screen Time Linked To Cancer!", "Working Shifts Kills You 15 Years Early!" - Kristen Holmes

If you enjoy hearing about the transformative power of sleep, I recommend you check out my conversation with Dr Matthew Walker, which you can find here: https://www.youtube.com/watch?v=Us8n8VBQn_c If you have ever wanted to understand what exactly Circadian Rhythm is, and its un ... Show More

1h 48m

Sep 2024

The New Science Of The Body Clock: How To Boost Your Immune System, Reclaim Your Energy & Improve Your Mental Health with Dr Kristen Holmes #479

In our hyper-connected modern world, where we have access to artificial light and food around-the-clock, we've drifted far from our body’s natural rhythms. But what if reconnecting with these internal clocks could be the key to unlocking better health, more energy and even a long ... Show More

2h 3m

Mar 2024

Experience a Non-Sleep Deep Rest Journey with Kristen Holmes

On this week’s episode, with World Sleep Day right around the corner, WHOOP Global Head of Human Performance, Principal Scientist, Kristen Holmes is here to guide you through a Non-Sleep Deep Rest (NSDR) session. This session will help you prepare for sleep and enter a state o ... Show More

19m 34s

May 2019

Work Hard, Rest Hard: Kristen Holmes chats with Nuun Hydration’s CEO Kevin Rutherford & Director of Product Development Vishal Patel about the intersection of endurance sport, sleep and recovery.

Endurance sport, sleep & recovery: WHOOP VP of Performance Kristen Holmes sits down with Nuun Hydration CEO Kevin Rutherford and Director of Product Development Vishal Patel. They discuss how we can all benefit from performance monitoring (5:15), what endurance exercise do ... Show More

50m 57s

Apr 2024

Sleep and Stress: The Latest Study Powered by WHOOP

On this week’s episode WHOOP Global Head of Human Performance, Principal Scientist Kristen Holmes is joined by WHOOP SVP, Research Algorithms, and Data Emily Capodilupo. The pair is here to talk about the link between sleep, stress, and blood pressure. Kristen and Emily will b ... Show More

55m 47s

Jul 2025

How Better Sleep Can Transform Your Memory & Learning with Dr. Gina Poe

This week on the WHOOP Podcast, WHOOP Global Head of Human Performance, Principal Scientist, Dr. Kristen Holmes sits down with Dr. Gina Poe, neurobiologist and expert in REM sleep and memory consolidation. Together, Dr. Holmes and Dr. Poe unpack what actually happens when you’ ... Show More

1h 12m

Jul 2022

#141| What Does WHOOP Measure? What Are The Benefits Of Wearable Health Technology with Kristen Holmes

In this episode, Dillon sits down with VP of Performance Science from WHOOP, Kristen Holmes. We look to discuss the benefits of wearable health technology and answer: what does WHOOP measure? What does is mean to be ready to perform? How should we interpret the data to make re ... Show More

50m 23s

Mar 2025

Dr. Kristen Holmes Reveals How To Achieve Your Peak Human Performance

At the heart of Science & Soul is one goal: helping everyone to unlock and maximize their performance. But before beginning the journey, it’s essential to understand the foundational principles that impact everyone’s potential. Dr. Kristen Holmes shares her own personal framework ... Show More

27m 2s

Oct 2023

Taking Your Sleep to the Next Level with Dr. Allison Brager

On this week’s episode, WHOOP VP of Performance Science, Principal Scientist, Kristen Holmes is joined by Dr. Allison Brager. She is a neurobiologist with expertise in sleep and circadian rhythms who works to examine the mind and body’s resilience to extreme environmental stre ... Show More

38m 35s

Jan 2020

How Sleep Impacts Performance: Kristen Holmes and Emily Capodilupo discuss the benefits of REM and slow wave sleep, effects of sleep deprivation, how much sleep you need, and the best ways to maximize the efficiency of your time in bed.

Why is sleep important for everything you do? Kristen Holmes and Emily Capodilupo talk about sleep architecture and the 4 stages of sleep (2:30), what happens when your sleep is cut short (4:51), the benefits of slow wave and REM sleep (7:42), mood regulation (15:09), not know ... Show More

50m 41s

125. Kristen Holmes: WHOOP’s Principal S...