Wearable devices have pulled terms like ‘REM sleep’ from scientific literature to daily discussion points. But what can people really learn from sleep trackers? — Photo by Chris Abney on Unsplash
Even just a decade or so ago, patients looking for answers to their sleep issues would need to undergo an overnight sleep study in a lab, hooked up to brain and breathing monitors.
These days, when patients arrive at appointments with sleep medicine doctors, they often arrive armed with data they've collected on their own, courtesy of small devices on their fingers or wrists.
