Quality of sleep

Sleep trackers are now part of everyday life for many people. Whether it’s a smartwatch, fitness tracker, smart ring or sleep sensor, so-called wearables promise detailed insights into your own sleep and are designed to help improve sleep quality. But how reliable is this data really? Can sleep tracking detect sleep disorders or even improve sleep? And what role do artificial intelligence and data protection play in this?


In this article, you’ll find out how sleep trackers work, which metrics are actually meaningful, what the limitations of these devices are, and for whom sleep tracking might be beneficial.