Episode 12

How the Fitbit Knows You’re Dreaming

33:14

Over the last decade, a group of California scientists has quietly amassed the biggest sleep database ever assembled. It includes every dozing off, every wakeup, every REM-cycle, every chunk of deep sleep, from 15 billion nights of human slumber. It can tell us the average person’s bedtime, whether men or women sleep longer, and which […]