Fitbit promised better sleep tracking with new update, but users say it got worse
Kaitlyn Cimino / Android Authority TL;DR Fitbit has updated its algorithm for more accurate sleep tracking. The new algorithm now accounts for awake times better, supposedly rendering more accurate data about different phases. However, users have complained of increased sensitivity, resulting in their devices capturing shorter sleep durations than the actual time. Fitbit isn’t nearly as popular as it once was, and that is partly because Google, which completed its acquisition of the company