Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Do you or a loved one talk in your sleep? It ...

Laura holds a Master's in Experimental Neuroscience and a Bachelor's in Biology from Imperial College London. Her areas of expertise include health, medicine, psychology, and neuroscience.View full ...

Nele Wohlatz‘s “Sleep With Your Eyes Open,” which has its world premiere in the Encounters section of the Berlin Film Festival, has debuted its trailer (below). Rediance has taken world sales rights.

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for studying sleep disorders. Reading time 2 minutes Though sleep is a time to power ...

Have you heard the saying about “sleeping with one eye open”? It’s a bit of metaphoric advice about staying vigilant—and a way to describe very light restless sleep. But sleeping with eyes open is ...

Q. How do sleep disorder centers evaluate patients? A. Among the tests used by accredited sleep disorder centers is overnight nocturnal polysomnography. This test consists of videotaping and ...