From strength training to sleep and recovery, these wearables stood out for turning raw data into useful action.

There’s so much advice out there about how to fall asleep, how to stay asleep, how many hours of sleep you need, what to eat before bed for better sleep—you could spend months, if not years, trying ...

Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions. Wear your watch or ring to bed, and you'll wake up to a detailed sleep report telling you not just ...