Waking up with a stiff neck from sleeping can be surprisingly painful. You might not even be able to turn your head without it hurting. While it may not affect you after a few hours, a stiff neck can ...

Neck pain may have many causes: Stress, poor posture, texting, injuries from sports, car or other accidents and chronic illnesses such as fibromyalgia, to name a few. But there's another culprit you ...

Editor’s Note: Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Neck pain may have many causes: Stress, poor posture, texting, ...