Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful charts of deep, light, and REM sleep. The pitch is seductive: better data, ...

Eye tracking technology has become an indispensable tool in diverse fields ranging from cognitive neuroscience and clinical research to virtual reality and sports training. Recent advances have ...

Ultrahuman took an algorithm designed for intravaginal fertility monitors and transformed it into a new Ring Air feature for cycle tracking. Anna Gragert (she/her/hers) was previously the lifestyle ...

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 ...

We all understand the importance of data quality. Metrics—such as third-party validations, match rates, and accuracy scores—help us assess data quality on its own terms. Yet, too often, organizations ...