The Matt Walker Podcast

Dr. Matt Walker
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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. 

  1. The Beekeepers Garden - A Sleep Story Read by Matt Walker

    -4 j

    The Beekeepers Garden - A Sleep Story Read by Matt Walker

    Matt invites you to embark  upon a gentle journey to a peaceful, restful sleep. After settling in and breathing deeply, you will find yourself on a winding lane. Matt guides you past a mossy stone wall into Eleanor's garden, a quiet sanctuary where the busy world fades away and the only pace is the soft rhythm of wings and petals. Wander the paths lined with blooming lavender and settle onto a rustic wooden bench beneath an old apple tree. Watch the honeybees move with quiet purpose. As dusk turns to a golden, amber glow, listen to the soothing, purring hum of the hives. With no rush or urgency, allow this quiet garden to ease away your remaining stress as you drift into a deep, restorative sleep. Hydrate scientifically with LMNT, a sugar-free electrolyte mix backed by physiology and biochemistry. Try the permanent Lemonade Salt flavor for a balanced, clean boost without the sugar crash. Use Matt’s link to get a free 8-count sample pack with any purchase: drinklmnt.com/mattwalker. As always, if you have thoughts or feedback you’d like to share, please reach out: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube https://www.youtube.com/@sleepdiplomat

    25 min
  2. #141 - The Daylight Mistake

    22 juin

    #141 - The Daylight Mistake

    Matt illuminates sunlight’s biological impact beyond Vitamin D as he reveals that our eyes contain a hidden daylight circuit wired directly to the brain. These "sky detectors" use bright outdoor light to instantly boost alertness, sharpen attention, and trigger a morning cortisol surge. Lacking this intense daylight indoors leaves us sluggish and out of sync. He also breaks down the lifelong benefits of light exposure, from treating depression to preventing childhood myopia, and shares a zero-cost toolkit to optimize daily light intake. By stepping outside upon waking, moving desks to windows, or using a 10,000-lux light box in winter, anyone can use natural light to steady their mind and health. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. In a supplement industry where trust is critical, Matt uses podcast supporter Puori. Their protein powders are free from hormones, GMOs, and pesticides, with every single batch third-party tested for over 200 contaminants. For protein you can trust, save 20% at puori.com/mattwalker. Upgrade your oral care with Redmond Life. This fluoride-free, mineral-based toothpaste uses micro-hydroxyapatite to support enamel and bentonite clay for polishing. No harsh chemicals or artificial dyes - just fresh flavors. Use code WALKER for 15% off your first order at redmond.life/walker. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube: https://www.youtube.com/@sleepdiplomat

    26 min
  3. #140 - Tired but Wired

    15 juin

    #140 - Tired but Wired

    Exploring the "tired but wired" state where exhaustion meets an overactive alerting system, Matt explains that insomnia is often a disorder of hyperarousal rather than a lack of sleep drive. Using metabolic data and brain activity, he shows how an internal "accelerator" remains pressed despite an empty fuel tank, causing the body and brain to stay alert when they should be resting. Matt shares evidence-based CBT-I tools to break this cycle, including the "cognitive shuffle" and specific imagery to quiet racing thoughts. He also covers muscle relaxation and rhythmic breathing to trigger a physiological stand-down. By practicing stimulus control - leaving bed when awake - listeners can stop associating the bedroom with wakefulness and finally lower their internal alerting systems. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. MUD\WTR is the ultimate coffee alternative that delivers a natural morning pick-me-up without caffeine jitters. Their unique blend of cacao and mushrooms offers a delightful and gentle lift to kickstart your day, as Matt can attest! Plus, now when you head over to mudwtr.com/MattWalker, as a podcast listener, you'll receive a free frother and coconut creamer samples! Hydrate scientifically with LMNT, a sugar-free electrolyte mix backed by physiology and biochemistry. Try the permanent Lemonade Salt flavor for a balanced, clean boost without the sugar crash. Use Matt’s link to get a free 8-count sample pack with any purchase: drinklmnt.com/mattwalker. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube: https://www.youtube.com/@sleepdiplomat

    29 min
  4. #139 - Waking Up

    8 juin

    #139 - Waking Up

    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 prefrontal cortex, which handles judgment, remains foggy for 15 minutes. This window can leave you more impaired than after an all-nighter. He suggests a toolkit: use bright light, time caffeine for waking, and keep naps under 20 minutes. Matt also recommends melodic alarms and warns that the snooze button just results in deepening the fog. Crucially, he advises a 15-minute buffer before making big decisions to allow every brain system to fully restart. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. In a supplement industry where trust is critical, Matt uses podcast supporter Puori. Their protein powders are free from hormones, GMOs, and pesticides, with every single batch third-party tested for over 200 contaminants. For protein you can trust, save 20% at puori.com/mattwalker. Another of this week's sponsors, AG1, is one that Matt relies upon for his foundational nutrition. Their new science-backed Next Gen formula features upgraded probiotics, vitamins, and minerals. Start your subscription today to get a FREE bottle of Vitamin D3+K2 and 5 free travel packs with your first order at drinkag1.com/mattwalker. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube: https://www.youtube.com/@sleepdiplomat

    29 min
  5. #138 - The Sleepy Girl Mocktail

    1 juin

    #138 - The Sleepy Girl Mocktail

    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 "bodyguard" for tryptophan by inhibiting the enzyme IDO.  Matt also exposes the fragile "84-minute" claim, which originated from a pilot study of just eight people. Conceding that magnesium and prebiotics offer modest nudges, our host stresses that the true efficacy is behavioral, replacing a nightcap with a calming ritual. Matt concludes that no elixir outshines biological fundamentals like regularity, cool temperatures, and light management. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. Another partner, David, is a revolutionary new protein bar that boasts an unbeatable ratio: 28g of protein and 0g of sugar in just 150 calories. Incredibly satiating with six amazing flavors, it’s perfect for muscle health. Visit davidprotein.com/mattwalker and buy 4 cartons to get a 5th FREE! Hydrate scientifically with LMNT, a sugar-free electrolyte mix backed by physiology and biochemistry. Try the permanent Lemonade Salt flavor for a balanced, clean boost without the sugar crash. Use Matt’s link to get a free 8-count sample pack with any purchase: drinklmnt.com/mattwalker. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube: https://www.youtube.com/@sleepdiplomat

    31 min
  6. #137 - Bedtime Procrastination

    27 mai

    #137 - Bedtime Procrastination

    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 data to explain how smartphones and low agency trigger this behavior which then leads to chronic sleep debt and impaired cognitive function. Matt goes on to link sleep irregularity to all-cause mortality, noting how inconsistent timing compromises long-term health. He offers such solutions as "implementation intentions" - ‘If-Then’ plans - proven in trials to reduce delay. By addressing chronotype conflict and the "Monday effect," our host provides a scientific protocol to align biological rhythms for restorative sleep. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. In a supplement industry where trust is critical, Matt uses podcast supporter Puori. Their protein powders are free from hormones, GMOs, and pesticides, with every single batch third-party tested for over 200 contaminants. For protein you can trust, save 20% at puori.com/mattwalker. Optimize your sleep recovery! Combat tired legs with Hollow Socks. Made from soft, breathable baby alpaca, their graduated compression boosts circulation without suffocating. Matt loves them so much, he even forgot he was wearing them on a 10-hour flight! Buy 2, Get 2 Free at Hollowsocks.com. Tell them the Matt Walker Podcast sent you! MUD\WTR is the ultimate coffee alternative that delivers a natural morning pick-me-up without caffeine jitters. Their unique blend of cacao and mushrooms offers a delightful and gentle lift to kickstart your day, as Matt can attest! Plus, now when you head over to mudwtr.com/MattWalker, as a podcast listener, you'll receive a free frother and coconut creamer samples! As always, if you have thoughts or feedback you’d like to share, please reach out: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube https://www.youtube.com/@sleepdiplomat

    30 min
  7. #136 - Sleep & Sound

    20 mai

    #136 - Sleep & Sound

    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 the "first-night effect," where half the brain stays alert in new environments, demonstrating that our ears never truly switch off. Our host weighs the benefits of noise machines for memory against the risks of dream sleep suppression. He offers evidence-based tips for parents and travelers on using sound effectively, suggesting that earplugs may be better for loud, intermittent noise. He concludes that we should seek "acoustic companionship" rather than total silence to align with our evolutionary design. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. Hydration impacts cognitive performance and sleep. Pique’s deep hydration protocol features morning B•T Fountain for energy and evening R•E Fountain with Triple Biomaxed Magnesium for nervous system recovery - sugar-free and bioavailable. Get 20% off for life at piquelife.com/mattwalker. Hydrate scientifically with LMNT, a sugar-free electrolyte mix backed by physiology and biochemistry. Try the permanent Lemonade Salt flavor for a balanced, clean boost without the sugar crash. Use Matt’s link to get a free 8-count sample pack with any purchase: drinklmnt.com/mattwalker. Upgrade your oral care with Redmond Life. This fluoride-free, mineral-based toothpaste uses micro-hydroxyapatite to support enamel and bentonite clay for polishing. No harsh chemicals or artificial dyes - just fresh flavors. Use code WALKER for 15% off your first order at redmond.life/walker. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube: https://www.youtube.com/channel/UCA3FB1fOtY4Vd8yqLaUvolg

    33 min
  8. #135 - Two Windows: How Light Shapes your Sleep

    13 mai

    #135 - Two Windows: How Light Shapes your Sleep

    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 by 14 minutes daily, requiring a corrective signal like outdoor sunlight before 10:00 a.m. to act as a crucial biological anchor for timing the eventual release of sleep-regulating hormones like melatonin.  Moving to the evening, Matt unpacks how artificial lighting combats our biology by suppressing melatonin. Citing research by Dr. Michael Gradisar, he clarifies that standard room lighting biologically disrupts circadian rhythms far more than smartphone screens, which instead harm sleep by behaviorally engaging us past bedtime. Ultimately, Matt offers a simple, cost-free framework for better sleep: seek morning daylight and keep evening environments below 10 lux. Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. In a supplement industry where trust is critical, Matt uses podcast supporter Puori. Their protein powders are free from hormones, GMOs, and pesticides, with every single batch third-party tested for over 200 contaminants. For protein you can trust, save 20% at puori.com/mattwalker. Another of this week's sponsors, AG1, is one that Matt relies upon for his foundational nutrition. Their new science-backed Next Gen formula features upgraded probiotics, vitamins, and minerals. Start your subscription today to get a FREE bottle of Vitamin D3+K2 and 5 free travel packs with your first order at drinkag1.com/mattwalker. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt: Matt: Instagram @drmattwalker, X @sleepdiplomat,  YouTube: https://www.youtube.com/channel/UCA3FB1fOtY4Vd8yqLaUvolg

    27 min
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À propos

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. 

Informations

  • Création
    Dr. Matt Walker
  • Années d’activité
    2021 - 2026
  • Épisodes
    178
  • Classification
    Tous publics
  • Copyright
    © 2026 The Matt Walker Podcast
  • Site web de l’émission
    The Matt Walker Podcast

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