About this episode
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 glucose tolerance. However, he highlights compelling research on two interventions - creatine supplementation and high-intensity interval training. These act as backup generators, offering a physiological buffer to preserve metabolic and executive functions when rest is unavoidably restricted. The episode explores how creatine serves as a "quick charge" battery for the brain, regenerating adenosine triphosphate (ATP) to sustain processing speed. Matt also details how high-intensity exercise services the body's engine, mitigating drops in glucose tolerance. Ultimately, he frames these tools as "sandbags against a rising tide" - vital for weathering the storm of sleeplessness, yet unable to replace the holistic, restorative power of sleep itself. 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. One of this week's sponsors, LMNT , offers a science-based electrolyte drink with no sugar or artificial ingredients. Try their new limited-time Lemonade Salt flavor! Get eight free sample packs with any order at drinklmnt.com/mattwalker . Stock up on this summer flavor while it lasts! As a huge supporter of mission-driven companies, Matt recommends new partner Branch Basics . Their plant- and mineral-based ‘The Concentrate’ is tough on kitchen grease yet gentle enough for baby toys, helping you create a toxin-free home. Get 15% off with code MattWalker at branchbasics.com/mattwalker . Another sponsor, David , is a revolutionary new protein bar developed with Dr. Peter Attia. It 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! 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/@sleepdiplomatmattwalker9299 The 4 Macros of Sleep Free Assessment: qqrt.org