Maybe you’ve seen the meme: “This is my sleep paralysis demon: [insert photo].” The viral idea builds on a very real condition in which a person is conscious but unable to move. In some cases, people ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified ...

Imagine awakening to find yourself completely unable to move or speak, perhaps feeling intense pressure on your chest, struggling to breathe, or even seeing strange figures in your bedroom. This ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. Imagine waking up from a peaceful night’s sleep, only to find yourself unable ...