Episode

15 Dec 2025 · 25 min

0:00

Petteri Lahtela, CEO of Oura, explains why sleep restores your mental and physical health, clears brain toxins, and balances hormones. Your chronotype is genetic, so the Oura ring tracks your signals to find your optimal bedtime and recovery needs.

Questions this episode answers

March 1, 2017

7–9 hours

Every beat and interbeat intervals (heart rate), pulse amplitude variation, breathing rhythms, body temperature variation, and movement.

The episode states blood pressure and insulin levels rise (citing about a 20% increase) after two nights of bad or far too short sleep.

The episode cites $66 billion lost in the U.S. (productivity, accidents, illness, premature death) and over 80,000 car accidents per day in America due to microsleeps (as stated by the guest).

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