Insights, category: Neural Sensing

Our newest app version takes a big leap forward on that mission, delivering more real-time insight, cleaner data, and a brand-new Body Readiness feature you’ll want to check every morning.

REM stands for Rapid Eye Movement, named for the darting motion of your eyes during this phase. But the real magic happens beneath the surface. During REM sleep, your brain activity resembles that of wakefulness, and your body temporarily paralyzes most muscles.