#139 - Waking Up
Jun 08, 2026
Matt explains sleep inertia - the groggy transition to wakefulness - noting that waking is a process, not a switch, and that brain regions activate at different speeds. While the core wakes fast, the…
The Matt Walker Podcast is all about sleep, the brain, and the body. Matt is a Professor of Neuroscience at the University of California, Berkeley. He is the author of the book, Why We Sleep and has given a few TED talks. Matt is an awkward British nerd who adores science and the communication of science to the public.
PodSkip has analyzed 1 episode of The Matt Walker Podcast, averaging 3.0 ads per episode (21% of runtime).
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#138 - The Sleepy Girl Mocktail
Jun 01, 2026
Deconstructing the "Sleepy Girl Mocktail", Matt separates digital hype from rigorous sleep science. He delineates that tart cherry juice works not through trace melatonin, but as an anti-inflammatory…
#137 - Bedtime Procrastination
May 27, 2026
Matt examines "revenge bedtime procrastination," where individuals voluntarily delay sleep to reclaim autonomy. Distinguishing this "unlocked door" from the "locked door" of insomnia, he uses global…
#136 - Sleep & Sound
May 20, 2026
Matt returns today to explain why humans didn't evolve for silent sleep. Citing the Hadza and the brain's "open microphone," he explains how we process sound for safety even while resting. He details…
#135 - Two Windows: How Light Shapes your Sleep
May 13, 2026
Matt delves into how daily light exposure dictates our sleep quality and how improper lighting can derail perfect sleep hygiene. He explains that our brain's internal clock naturally drifts backward…
#134 - Seeing Inside the Brain with Prenuvo
May 04, 2026
Dr. Daniel Durand, Chief Medical Officer and President at Prenuvo Medical Group, joins Matt to discuss a proactive shift from reactive medicine to whole-body MRI screening. This radiation-free…
#133 - Sleep & Doomscrolling
Apr 27, 2026
Matt introduces "doomscrolling," linking compulsive online consumption to worsened sleep and mental health. He tracks social media's rise (1997-2016), noting increased addiction. By 2016, 82% of 12th…
#132 - Sleep and Binaural Beats
Apr 20, 2026
Exploring the science of binaural beats, Matt evaluates their potential to improve sleep. Tracing their discovery back to 1838, Matt explains that a binaural beat isn't a physical sound, but a "ghost…
#131 - Sleeping with Pets
Apr 13, 2026
Matt examines the ancient practice of sleeping with pets, a bond dating back 12,000 years. Once a practical norm for warmth and companionship, co-sleeping became controversial due to modern ideas of…
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#130 - Shift Work and Solutions
Apr 06, 2026
The severe biological and psychological impacts of shift work on essential overnight workers come under Matt’s scrutiny today. He explains how modern schedules clash with our hardwired circadian…
The London Apothecary - A Sleep Story Read by Matt Walker
Mar 30, 2026
Join Matt on a gentle journey designed to help you drift into a peaceful and restful sleep. After settling into bed and releasing the day's tension with a few deep breaths, you will find yourself…
#129 - Natural Short Sleepers
Mar 23, 2026
Matt delves into the fascinating science of "natural short sleepers," the rare 1-3% of the population genetically wired to thrive on just four to six hours of sleep. He unpacks the research that…
#128 - Sleep Position
Mar 16, 2026
Matt reviews Danish neuroscientist Maiken Nedergaard's 2013 discovery: during sleep, glial cells shrink, allowing cerebrospinal fluid to flush brain toxins like beta-amyloid and tau protein. This…
#127 - Non-Restorative Sleep
Mar 09, 2026
Matt explores the frustrating reality of non-restorative sleep, explaining why up to a third of adults get a full night's rest but wake up exhausted. Using a relatable example, Matt shows how this…
#126 - The Coffee Paradox
Mar 02, 2026
Matt Walker investigates the "coffee paradox," revealing how your morning ritual acts as both a health ally and a silent sleep disruptor. While coffee provides life-extending antioxidants linked to…
#125 - Melatonin Explained
Feb 23, 2026
Matt redefines melatonin as the brain’s "clock whisperer" rather than a sedative, and explains that the hormone signals biological night rather than forcing sleep. Drawing on a meta-analysis, Matt…
#124 - Acting Out Dreams
Feb 16, 2026
Matt delves into the world of REM Sleep Behavior Disorder (RBD), a condition at the frontiers of sleep science. Normally, the brain dreams while atonia paralyzes the body in a neural magic act that…
Ask Me Anything Part 25: Sleep Talking, Long Covid, CBD/CBN, and Bedroom Environment
Feb 09, 2026
Matt and Dr. Eti Ben Simon begin their latest AMA by exploring somniloquy as fragmented noise within Stage 2 NREM sleep. They distinguish these vocalizations from REM Sleep Behavior Disorder, where…
#123 - Sleep & the Microbiome
Feb 02, 2026
Matt explores a revolutionary shift in sleep science, identifying the gut microbiome as a secondary control center for rest. He elucidates the bidirectional gut-brain axis, where the Vagus nerve…
#122 - Exercise vs. Insomnia
Jan 26, 2026
Examining the $107B burden of insomnia and its link to a 45% increase in cardiovascular risk, Matt dissects a landmark study of 1,348 participants proving that movement is a potent clinical tool. He…
#121 - A Practical Guide To Insomnia
Jan 19, 2026
Matt delves into insomnia, defining it as a persistent struggle to sleep despite having the opportunity. He presents "Cognitive Behavioral Therapy for Insomnia" (CBTI) as the scientifically validated…
Ask Me Anything Part 24: Tinnitus, SAD, Sleep Divorce, and Vaccines
Jan 12, 2026
Matt and Dr. Eti Ben Simon return with another AMA episode where they answer such listener questions as how sleep loss amplifies tinnitus and how Seasonal Affective Disorder impacts circadian rhythm…
#120 - How Sleep Deprivation Hijacks Your Genetic Code
Jan 05, 2026
Putting sleep deprivation under the microscope yet again, Matt explores our "genetic workforce" of 20,000 genes operating on a precise 24-hour cycle. He details 2013 research showing that just one…
The Midnight Bookshop: A Sleep Story Read by Matt Walker
Dec 29, 2025
Join Matt to leave the day’s rush behind. After a brief breathing exercise to settle the mind and body, you will find yourself on a quiet street in a British village. Matt leads you across a small…
#119 - Your Brain On GLP-1s
Dec 22, 2025
Exploring GLP-1 agonists in a new light, Matt examines a review that positions these metabolic hormones as potential brain defenders. He details their surprising presence in memory centers and their…
#118 - A Sleep Medication to Lower the Risk of Alzheimer's
Dec 15, 2025
Matt examines the critical link between sleep quality and Alzheimer’s pathology. He details the brain's "night shift" - the glymphatic system - which actively flushes out toxins like amyloid beta…
Ask Me Anything Part 23: The Gut, Grief, Creativity, and Microsleeps
Dec 08, 2025
In this latest AMA episode, Matt and Dr. Eti Ben Simon explore the complex web connecting sleep to our health and daily lives. They investigate the gut-brain axis, discussing how sleep deprivation…
#117 - Can Creatine & Exercise Overcome Sleep Deprivation?
Dec 01, 2025
Matt confronts the systemic failure of sleep deprivation, examining its impact on our biological machinery. When sleep is short, the body's "fuel gauge" dips, impairing mitochondrial function and…
#116 - 40 Hz Brain Stimulation
Nov 24, 2025
Matt ventures into the realm of 40 Hz "gamma" rhythms - the conductor of the biological orchestra during high-order cognition - to explore how non-invasive light and sound stimulation can entrain…
#115 - Sleep Deprivation for Depression
Nov 17, 2025
The counterintuitive use of sleep deprivation as a rapid treatment for major depression finds itself squarely in Matt’s spotlight today. He begins by discussing its origins in the 1970s, where one…