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The Tim Ferriss Show #829 · September 29, 2025 · 1h 50m
James Nestor — Breathing Protocols to Reboot Your Health, Fix Your Sleep, and Boost Performance
James Nestor — author of Breath (3M+ copies, 44 languages). Breathing protocols for health, sleep, and performance. Core thesis: modern humans breathe wrong and ancient practices had it right.
Curious
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Mouth breathing increases airway resistance 2.5x during sleep, impairs cognition, damages dental health. Nasal breathing is what humans evolved for.
References
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Breath: The New Science of a Lost Art — James Nestor (2020) — 3M+ copies sold, 44 languages. Best General Nonfiction (ASJA).
Misc
✧Breath sold 3M+ copies in 44 languages
✧Named Best General Nonfiction Book by the American Society of Journalists and Authors
✧Finalist for Science Book of the Year at the Royal Society