眠っている間のREM睡眠時（半覚醒状態）時に身体を動かせなくなることを俗に「金縛り」という。一種の睡眠障害（isolated sleep paralysis、ISP）だが、地域や国、民族の文化によって金縛り状態についてのとらえ方が異なり、金縛りについては約2000年前から議論 ...

(CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. CNN — (CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our ...

You wake up in the middle of the night and realize you cannot move. Your chest feels heavy, your breathing is shallow, and there is a strange pressure in the room. Maybe you sense someone standing ...

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 ...

Most of us have had nightmares involving scary monsters at some point in our lives. But that fear pales in comparison with the seemingly real mysterious and menacing figure who has people around the ...