Observer-Reporter: A team of neuroscientists at West Virginia University was prompted by a lack of independent, third-party evaluations of sleep trackers.

“So while devices that can measure this are now extremely common, that data is only actionable if it’s accurate. There are no regulations for consumer devices as there are for medical, so we feel like it’s an obligation to our customers – athletes, military, patients – to scientifically assess the accuracy of these devices.”

What did they discover?