Topics & People

Anxiety
Topic

A specific mental health condition that Johnson mentions as being improvable through the prioritization of high-quality sleep.

A stimulant Johnson advises to stop consuming around noon due to its 6-hour half-life, which can disrupt sleep patterns if taken later in the day.

Bryan Johnson's core philosophy, which he frames not just as a health goal but as the next major ideology for humanity, on par with democracy or capitalism.

Entrepreneurs launching businesses influenced by VC valuations.

Prefrontal Cortex
ScientificConcept

The region of the brain responsible for executive functions like willpower. Johnson states that its function is severely impaired by a lack of sleep.

A cognitive function that Johnson explains is directly dependent on sleep quality, as sleep deprivation causes the prefrontal cortex to go offline.

A key biomarker Johnson advises monitoring and lowering before bedtime, as he claims it is the best predictor of sleep quality and a lever for overall health improvement.

Sleep
Topic

Identified by Bryan Johnson as the single most critical factor for health, willpower, and overall well-being. He refers to it as the 'best performance-enhancing drug'.

A method to assess the functional age of the body and its individual organs, which can differ from chronological age. Johnson uses it as a key performance indicator for his health regimen.

The scientific and strategic pursuit of extending human healthspan and lifespan.

Venmo
Organization

A mobile payment service owned by PayPal.

A financial framework used to construct portfolios to optimize or maximize expected return for a given level of risk. Ark used this theory to calculate a potential $3.8 million price for Bitcoin based on its optimal weight in a portfolio.