Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

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 ...

Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

Women experience disruptions in their sleep patterns and report heightened feelings of anger in the days leading up to their period, according to new research. The study sheds new light on the ...

You don't need a gold medal to sleep like a pro. From the 90-minute rule to bedroom climate, here is how elite athletes hack ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to ...

But menopause can bring its own significant challenges to sleep. In order to protect your health, keep your performance sharp, and maintain your quality of life and relationships, it’s essential for ...