Petal is a health tracker that fits inside a bra. It monitors the menstrual cycle, heart, and body. It ships in May and pre-orders are now open. Health wearables are becoming increasingly discreet and ...

Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how well they're ...

Smartwatches are more common than ever, but they're not all good, and these four, in particular, ranked incredibly low when ...

Last month, we compiled a list of 9 companies that had new takes on self-tracking and were crowdfunding on Indiegogo. The list included Push, an armband that tracks force instead of just activity ...

Be Well-Sleep Tracking Devices Middle school teacher Kate Stoye checks her sleep score on her phone, Wednesday, Jan. 7, 2026, in Hiram, Ga. (AP Photo/Emilie Megnien ...