Petteri Lahtela is the CEO and co-founder of OURA, a wearable device -- in the form of a waterproof ring -- that measures our well-being as we sleep. In answer to my questions, he shared his insights on the restorative power of sleep, the future of sleep technology, and how wearable devices can enhance the body-mind connection.
Sleep Cycle uses an accelerometer to track every phase of a user's sleep through the course of a given night. It does require
Fitness Trackers & Sleep: How Accurate Are They? Why Fitness Bands Are Lousy Sleep Trackers | Video Top 10 Spooky Sleep Disorders
SleepIQ technology, as the company calls it, monitors movement in the bed as well as average breathing rate and heart rate