Matt and Dr. Eti Ben Simon team up to answer more audience questions today, and begin by delving into the subjective experience of time during dreams, exploring how our perception stretches and compresses during REM sleep and whether we can hack our dreams. They also explain the cognitive, emotional, hormonal, and immunological consequences of pulling an all-nighter, highlighting the dramatic impact on memory consolidation, stress hormones, appetite regulation, and immune function. The cardiovascular and metabolic repercussions are also addressed underscoring the serious health risks associated with chronic sleep deprivation. The discussion shifts to the societal bias favoring morning types, challenging the notion that evening types are simply lazy. Our hosts examine chronotypes, the “sentinel hypothesis”, and the importance of aligning sleep schedules with individual preferences for optimal health. Matt and Eti then draw the episode to a close by addressing the common phenomenon of night sweats, differentiating between pathological causes and the normal thermoregulatory disconnect during REM 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. Tired of untrustworthy protein shakes? Show sponsor Puori prioritizes quality: hormone-free, GMO-free, and pesticide-free. Every batch is third-party tested for 200+ contaminants - you can even scan the QR code for lab results! Matt recommends the addictive dark chocolate flavor with 21g of protein. Ready to experience the Puori difference? Matt’s listeners get 20% off, so visit puori.com/mattwalker today! Another great sponsor of the show is AG1 , a comprehensive nutritional drink trusted by thousands worldwide, including Matt! For nearly four years and counting, he has relied on AG1 to fuel his post-workout routine with its powerhouse blend of over 75 essential minerals, vitamins, probiotics, and prebiotics, meticulously crafted to support your daily nutritional needs. AG1 is registered and approved by the Therapeutic Goods Administration, boasting GMP badges for quality assurance. As a special offer for our listeners, when you try AG1, you'll receive a complimentary one-year supply of both Vitamin D and K2, and with your first subscription, you'll also receive five free AG1 travel packs! Visit AG1 to explore AG1's range of offerings and claim your exclusive offer. As a health fanatic, Matt’s kryptonite has always been bread. Then he discovered Hero Bread : zero net carbs, zero sugar, and packed with fiber! For years, he’s enjoyed their fluffy loaves (his favorite topped with tomatoes, balsamic, and parmesan). Now, you can try it too! Hero Bread offers a delicious variety of healthy bread options, from tortillas and wraps to bagels and dinner rolls. Ready to enjoy bread again? Get 10% off your order at hero.co using code MATTWALKER. As always, if you have thoughts or feedback you’d like to share, please reach out to Matt or Eti: Matt: Instagram @drmattwalker , X @sleepdiplomat , YouTube https://www.youtube.com/@sleepdiplomatmattwalker9299 Eti: X @etoosh , Instagram https://www.instagram.com/eti_bensimon/ , or email at
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