Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

Light sleep makes up a significant portion of our rest but the term might cause alarm in some if they think they’re getting too much “light sleep” and not enough “deep sleep.” Sleep trackers label it ...

When wearables first started getting popular, most sleep clinicians were quite skeptical. Back in 2009, Fitbit revolutionized the personal health space through its device that tracked daily steps and ...