Past age 50, men are much more likely to have REM sleep behavior disorder than women. Jose Luis Pelaez/Stone via Getty Images Every night, you go through four to five sleep cycles. Each cycle, lasting ...

You're gently drifting off to sleep when suddenly your arms and legs convulse and you jolt yourself awake. Or, perhaps you're relaxing in bed when, out of the blue, your dozing partner does an ...

Are you tossing and turning at night or noticing a loved one acting strange once the sun goes down? Doctors are finding that ...

In 1982, retiree Donald Dorff was the first person to be diagnosed with a sleep disorder that, unbeknownst to him at the time, would unlock monumental breakthroughs in research for dementia and ...

An international research team led by Université de Montréal medical professor Shady Rahayel has made a major breakthrough in predicting neurodegenerative diseases. Subscribe to our newsletter for the ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

You're gently drifting off to sleep when suddenly your arms and legs convulse and you jolt yourself awake. Or, perhaps you're relaxing in bed when, out of the blue, your dozing partner does an ...

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 ...