A groundbreaking study conducted at the University of Pennsylvania's Perelman School of Medicine discovered a critical link between stress and disrupted sleep cycles. The study, published in Current ...

Here’s a question from an Oklahoma Medical Research Foundation colleague: My wife and I have recently begun tracking our sleep; I use an Oura Ring and she uses a Garmin watch. The devices not only ...

Ask a person how they sleep, and they’ll divide themselves into one of two camps: they sleep well, or they don’t. While those in the first group get into bed, wake up, carry on, and don’t even think ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...