They say size doesn't matter, but when it comes to smart rings, too small or too large can lead to discomfort and/or unreliable health data. The best way to ensure perfect sizing for your smart ring ...

I review wearables for a living, and I have a confession. I hate wearing a smartwatch to bed. However, I love the sleep-tracking insights the best smartwatches offer. What's a fellow to do?

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...

More discreet than a fitness tracker or smartwatch, the best smart rings we've tested can track your activity and sleep from an unobtrusive spot on your finger. I’m PCMag’s senior writer covering ...