"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 ...

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 ...

Brain waves can be manipulated whilst in rapid eye movement (REM) sleep, a sleep stage associated with memory and cognition, a new study from the University of Surrey finds. Novel technology, using ...

Have you ever wondered what actually happens in the brain during sleep? While your body appears still and at rest, your brain remains highly active, carrying out essential processes that keep you ...

Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge. When you purchase through links on our site, we may earn an affiliate ...

While you might be getting the recommended eight hours of shuteye each night, you may still be missing out on the quality sleep your brain and body need. That can be frustrating, especially if you’re ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...

Here’s what you’ll learn when you read this story: After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly from both REM sleep and ...

After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly from both REM sleep and wakefulness. The awareness of dreaming during a lucid ...