In today's episode, Matt unpacks the world of coffee, and caffeine in the first of a two-part series on caffeine. Matt describes the numerous health benefits associated with coffee, the fact that Matt has even changed his tune a little and advocates a morning cup for some. Matt may not have anything to do with caffeine itself, with more details on that in pa ... Show More
Oct 5
#154 - Sleep and Cortisol
Delving into the science of cortisol, Matt debunks its social media reputation as a toxic villain. He explains how this essential hormone actually regulates metabolism, immunity, and survival. He also unpacks the healthy "Cortisol Awakening Response" that prepares us for the day ... Show More
28m 40s
Sep 28
#153- Sleeping in an MRI Machine
Today’s episode explores how scientists study the sleeping brain inside a roaring, 111-decibel MRI scanner. Despite the extreme noise and discomfort, researchers use sleep deprivation, earplugs, and clever audio-filtering tricks to capture the mind drifting off. These small but g ... Show More
24m 39s
Sep 21
#152 - The Brain on Music
Exploring the profound link between the brain and music, Matt begins by tracing musical expression back 40,000 years to a vulture bone flute, arguing that music evolved as a "social glue" to foster group bonding. He explains the neurobiology behind this, noting how rhythm and mel ... Show More
27m 48s
Dec 2023
Moment 141: What Coffee Is REALLY Doing To Your Sleep!: Matthew Walker
In this moment, sleep expert and author of ‘Why We Sleep’, Matthew Walker discusses the 3 main reasons why caffeine is so terrible for sleep.
Firstly, is that the impact of caffeine lasts long after drinking a cup of coffee. Caffeine has a quarter life of between 10 to 12 hours, ... Show More
12m 26s
Dec 2021
How does caffeine make you not sleepy?
<p><strong>#059 Rebroadcast</strong></p>
<p>Ok so, caffeine. Some of us live on the stuff, and others of us want nothing to do with it. There's a lot of things caffeine can do to our bodies, but of course the number one question, is how does it keep the sleepiness away? Let's get ... Show More
28m 25s
Apr 2024
GUEST SERIES | Dr. Matt Walker: How to Structure Your Sleep, Use Naps & Time Caffeine
This is episode 3 of a 6-part special series on sleep with Dr. Matthew Walker, Ph.D., a professor of neuroscience and psychology at the University of California, Berkeley, and leading public educator about the role of sleep in health, disease and performance.
We explain how our ... Show More
2h 18m
Feb 2024
Coffee, nap, rave, repeat...
Ever wondered how much caffeine is too much? Or whether you’d feel better off if you took an afternoon nap? And with the rise in ‘day raving’ we’ll be looking at whether it’s better for your health to have your night out at 2pm rather than 2am. We’ll learn about the amount of caf ... Show More
28m 52s
Feb 2025
544- ADHD and Caffeine: Risks & Benefits of Using This Natural Stimulant
<p>Caffeine is almost universally seen as an antidote to memory, fatigue, and focus problems, but may affect heart rate and sleep. Sarah Cheyette, M.D., discusses research on caffeine and ADHD, and the risks and benefits of consuming this natural stimulant.</p> <p><strong>ADHD an ... Show More
1 h
Apr 2019
#49 – Matthew Walker, Ph.D., on sleep – Part III of III: The penetrating effects of poor sleep from metabolism to performance to genetics, and the impact of caffeine, alcohol, THC, and CBD on sleep
<p>In the final part of this 3 part series, Matthew Walker, professor of neuroscience at UC Berkeley and expert on sleep, discusses the omnipresent effects of insufficient sleep on everything from metabolism, appetite, athletic performance, decision-making, productivity, leadersh ... Show More
2h 1m