James Nestor is a science journalist and the author of the international bestseller <a href="https://www.amazon.com/Breath-New-Science-Lost-Art/dp/0735213615/?tag=offsitoftimfe-20" rel="noopener noreferrer" target="_blank">Breath: The New Science of a Lost Art</a>, with more than three million copies sold in 44 languages.This episode is brought to you by:<a href="https://helixsleep.com/tim" rel="noopener noreferrer" target="_blank">Helix Sleep</a>&nbsp;premium mattresses:&nbsp;<a href="https://helixsleep.com/tim" rel="noopener noreferrer" target="_blank">https://HelixSleep.com/Tim</a>&nbsp;(27% off all mattress orders)<a href="https://livemomentous.com/Tim" rel="noopener noreferrer" target="_blank">Momentous</a>&nbsp;high-quality creatine for cognitive and muscular support: <a href="https://livemomentous.com/Tim" rel="noopener noreferrer" target="_blank">https://livemomentous.com/Tim</a> (Code TIM for up to 35% off.)<a href="https://drinkag1.com/Tim" rel="noopener noreferrer" target="_blank">AG1</a>&nbsp;all-in-one nutritional supplement: <a href="https://drinkag1.com/Tim" rel="noopener noreferrer" target="_blank">https://DrinkAG1.com/Tim</a> (1-year supply of Vitamin D plus 5 free AG1 travel packs with your first subscription purchase.)*Show notes for this episode:&nbsp;https://tim.blog/2025/09/03/dr-dominic-dagostino-all-things-ketones/For show notes and past guests on&nbsp;<a href="https://tim.blog/podcast" rel="noopener noreferrer" target="_blank">The Tim Ferriss Show</a>, please visit&nbsp;<a href="https://tim.blog/podcast/?utm_source=podcast&utm_medium=podcast&utm_campaign=podcast-description" rel="noopener noreferrer" target="_blank">tim.blog/podcast</a>.For deals from sponsors of&nbsp;<a href="https://tim.blog/podcast" rel="noopener noreferrer" target="_blank">The Tim Ferriss Show</a>,&nbsp;please visit&nbsp;<a href="https://tim.blog/podcast-sponsors" rel="noopener noreferrer" target="_blank">tim.blog/podcast-sponsors</a>Sign up for Tim’s email newsletter (5-Bullet Friday) at&nbsp;<a href="https://go.tim.blog/5-bullet-friday-1/" rel="noopener noreferrer" target="_blank">tim.blog/friday</a>.For transcripts of episodes, go to&nbsp;<a href="https://tim.blog/transcripts" rel="noopener noreferrer" target="_blank">tim.blog/transcripts</a>.Discover Tim’s books:&nbsp;<a href="https://tim.blog/books" rel="noopener noreferrer" target="_blank">tim.blog/books</a>.Follow Tim:Twitter:&nbsp;<a href="https://twitter.com/tferriss" rel="noopener noreferrer" target="_blank">twitter.com/tferriss</a>&nbsp;Instagram:&nbsp;<a href="https://instagram.com/timferriss/" rel="noopener noreferrer" target="_blank">instagram.com/timferriss</a>YouTube:&nbsp;<a href="https://www.youtube.com/timferriss" rel="noopener noreferrer" target="_blank">youtube.com/timferriss</a>Facebook:&nbsp;<a href="https://www.facebook.com/TimFerriss/" rel="noopener noreferrer" target="_blank">facebook.com/timferriss</a>&nbsp;LinkedIn:&nbsp;<a href="http://linkedin.com/in/timferriss" rel="noopener noreferrer" target="_blank">linkedin.com/in/timferriss</a>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

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#829: James Nestor — Breathing Protocols to Reboot Your Health, Fix Your Sleep, and Boost Performance

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