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

How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Discover LucidMe Pro, a smart AI-powered sleep mask that tracks brain-wave signals in real-time to understand dreams as they ...

Like a drowsy crystal ball, AI can now use sleep to predict your medical future In A Nutshell Stanford researchers trained an ...

A new study by an interdisciplinary team of researchers at The University of Texas at Austin provides what may be the most reliable validation to date of the connection between physical activity, ...

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

How does a sleep tracker on your finger compare to one in a bed? I tested Sleep Number and Oura for a month to find out. Plus, expert sleep-tracking tips. Aly Lopez Former Writer I Aly Lopez was a ...

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

A systematic review found improved sleep quality and longer REM sleep after endoscopic surgery for chronic rhinosinusitis ...