Court Finds Fitbit Motion Weak, Flabby

Plaintiff case on sleep-tracking claims is still wide awake

Big Brother is Spotting You

The promise of Fitbit products is amazing, even if it's a little scary.

The company's slim, attractive wearable devices and accessories – watches, wristbands and clips – track your heart rate, steps taken, distances traveled, sleep duration and calories burned. They can even determine that you've started working out on a particular kind of machine. Fitbit's service then uses this data to help you reach your fitness goals.

Sleepwalk

Plaintiffs took issue with some of these claims in a class action lawsuit originally filed in the Northern District of California in 2015.

Fitbit products use an accelerometer to track user data, including sleep. But the plaintiffs claim that the accelerometer is not an accurate tool for measuring shuteye – one claimed that his device logged his television watching time as sleep, another claimed that she was tracked as sleeping while she