Do you ever go to bed feeling just fine, but wake up with a stiff neck or achy shoulders? In a 2016 study looking at more than 150 conditions, researchers found Americans spent more health care ...

What is sleeping beauty syndrome? Kleine-Levin syndrome (KLS), also known as “Sleeping beauty syndrome” or “familial hibernation syndrome,” is a neurological disorder that causes sufferers to sleep ...

Most of us have heard it many times. If you don’t get enough sleep, your health will suffer. Doctors, books, and studies keep saying the same thing. But how much sleep is actually “enough”? A new ...