Brought to you by Eight Sleep’s Pod Cover sleeping solution for dynamic cooling and heating, Athletic Greens all-in-one supplement, and LMNT electrolyte supplement.Matthew Walker Ph.D. (@sleepdiplomat) is professor of neuroscience at the University of California Berkeley and founder and director of the school’s Center for Human Sleep Science. Walker is the author of The New York Times and international bestseller Why We Sleep: Unlocking the Power of Sleep and Dreams which was recently listed by Bill Gates as one of his top five books of the year. His TED Talk, “Sleep is Your Superpower,” has garnered more than 17 million views. He has received numerous funding awards from the National Science Foundation and the National Institutes of Health and is a Kavli Fellow of the National Academy of Sciences. In 2020, Walker was awarded the Carl Sagan Prize for Science Achievements. Walker’s research examines the impact of sleep on human health and disease. He has been featured on numerous television and radio outlets including CBS’ “60 Minutes,” National Geographic Channel, NOVA Science, NPR, and the BBC. He is also the host of the 5-star-rated podcast The Matt Walker Podcast, which is all about sleep, the brain, and the body.Please enjoy!Resources from this episode: https://tim.blog/2023/01/18/matthew-walker-sleep/*This episode is brought to you by LMNT! What is LMNT? It’s a delicious, sugar-free electrolyte drink mix. I’ve stocked up on boxes and boxes of this and usually use it 1–2 times per day. LMNT is formulated to help anyone with their electrolyte needs and perfectly suited to folks following a keto, low-carb, or Paleo diet. If you are on a low-carb diet or fasting, electrolytes play a key role in relieving hunger, cramps, headaches, tiredness, and dizziness.LMNT came up with a very special offer for you, my dear listeners. For a limited time, you can get a free LMNT Sample Pack with any purchase. This special offer is available here: DrinkLMNT.com/Tim.*This episode is also brought to you by Eight Sleep! Eight Sleep’s Pod Cover is the easiest and fastest way to sleep at the perfect temperature. It pairs dynamic cooling and heating with biometric tracking to offer the most advanced (and user-friendly) solution on the market. Simply add the Pod Cover to your current mattress and start sleeping as cool as 55°F or as hot as 110°F. It also splits your bed in half, so your partner can choose a totally different temperature.*For a limited time, Eight Sleep is offering my listeners up to $450 off their Sleep Fit Holiday Bundle, which includes my personal favorite, the Pod 3 Cover. Go to EightSleep.com/Tim to get the exclusive holiday savings. Eight Sleep currently ships within the USA, Canada, the UK, select countries in the EU, and Australia.*This episode is also brought to you by Athletic Greens. I get asked all the time, “If you could use only one supplement, what would it be?” My answer is usually AG1 by Athletic Greens, my all-in-one nutritional insurance. I recommended it in The 4-Hour Body in 2010 and did not get paid to do so. I do my best with nutrient-dense meals, of course, but AG further covers my bases with vitamins, minerals, and whole-food-sourced micronutrients that support gut health and the immune system. Right now, Athletic Greens is offering you their Vitamin D Liquid Formula free with your first subscription purchase—a vital nutrient for a strong immune system and strong bones. Visit AthleticGreens.com/Tim to claim this special offer today and receive the free Vitamin D Liquid Formula (and ten free travel packs) with your first subscription purchase! That’s up to a one-year supply of Vitamin D as added value when you try their delicious and comprehensive all-in-one daily greens product.*For show notes and past guests on The Tim Ferriss Show, please visit tim.blog/podcast.For deals from sponsors of The Tim Ferriss Show, please visit tim.blog/podcast-sponsorsSign up for Tim’s email newsletter (5-Bullet Friday) at tim.