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 ...

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

During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories. Your body ...

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 ...

Good Sleep is a new climate-controlled mattress topper that uses surgical-grade water-cooling technology to help users spend ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Consider it another strike against not getting enough sleep: A new study finds that getting too ...

For every 1 gram per kilogram increase in alcohol dose, REM sleep duration was reduced by 40.4 minutes. Alcohol consumption adversely affects rapid eye movement (REM) sleep in a dose-dependent manner, ...

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

Something frightening or unpleasant does not go unnoticed. In our brain, the so-called limbic circuit of cells and connections immediately becomes active. First and foremost, such experiences activate ...