← Home
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

Mouth breathing increases airway resistance 2.5x during sleep, impairs cognition, damages dental health. Nasal breathing is what humans evolved for.

References

Breath: The New Science of a Lost ArtJames 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