It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...

REM may be the most talked-about part of the sleep cycle, but getting enough of it can still be an elusive quest. You might know by now that it’s important, but maybe you don’t know exactly why or how ...

In his wildest dreams, HHMI Investigator Massimo Scanziani never imagined he'd study sleep. But, when a postdoc in the lab ...

But beyond the grogginess, research is now showing that consistently missing out on certain sleep stages, particularly deep ...

Ever wake up convinced something happened that actually didn’t? That vivid memory of a conversation with your friend, a movie you’re sure you watched, or an event that feels completely real but never ...

In a recent study published in the journal Translational Psychiatry, researchers investigated the impacts of full-night-, early-night deprivation-, and late-night deprivation sleep on whole-brain ...

Alzheimer’s disease is a devastating condition that impacts millions of families around the world. But scientists are still trying to pinpoint the elements that go into why some people develop ...

Host Mark Evans welcomes back sleep medicine specialist Dr. Srinivasan Devanathan along with nurse practitioner Desiree Heim for an in-depth discussion on REM Sleep Behavior Disorder (RBD)—a condition ...

A growing body of research has made it clear that sleep health has a direct impact on your physical health. Among other things, regularly logging enough high-quality sleep is linked to a lower risk of ...