The Goldilocks Paradox: Defining the Optimal Sleep Duration

For generations, we've been told that eight hours of sleep is the universal prescription for good health. But emerging research suggests the story is far more nuanced. In this episode, we explore the evolving science of sleep, tracing why researchers now believe that the ideal amount of rest may lie within a broader—and more personal—range than conventional wisdom suggests. From the hidden risks of both too little and too much sleep to the growing importance of consistency and sleep quality, we examine what truly influences the body's ability to recover and age well. Along the way, we consider why an obsession with tracking perfect sleep can become counterproductive, and why the most reliable measure of a good night's rest may be how you feel when you wake. The story reveals a simple but powerful idea: when it comes to sleep, finding your own balance may matter more than chasing a perfect number.https://www.economist.com/science-and-technology/2026/06/26/is-too-much-sleep-as-bad-as-too-little