Valerie Cacho, MD, is a board-certified sleep medicine specialist and the founder of the online educational company Sleephoria. Make sure you follow a consistent sleep schedule to help regulate your ...

During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories. Your body ...

Dreaming, memory-making, problem-solving: A lot happens during the most active sleep phase By Carolyn Todd Any sleep tracker will show you that slumber is far from a passive affair. And no stage of ...

Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer’s disease. Now, a study suggests that people who take significantly ...

There might have been a secret reason Albert Einstein could make a decision as scary as the one he made in 1939, when he went against his personal pacifist convictions and encouraged President ...

For you, getting to sleep may be simple: head hits the pillow, eyes shut, lights out. Or, if you're like me, it's more like: head hits pillow, eyes shut, mind races for 45 minutes, then lights out.

Editor's note: Have questions about your dreams? Join us at 1 p.m. EST tomorrow on Twitter for #NewsHourChats. We'll have a panel of sleep experts answering questions on why we dream and how it ...