Wearable health trackers, from Fitbits to Apple Watches and WHOOP bands, have become ubiquitous, transforming “sleep score” into a common talking point in social and professional circles. These devices promise unparalleled insight into our nocturnal habits, but what is the true impact of this deluge of data on our health and wellbeing?
We consulted sleep experts to weigh the benefits against the potential drawbacks of sleep tracking.