You wake up in the middle of the night and realize you cannot move. Your chest feels heavy, your breathing is shallow, and ...

You may experience sleep paralysis if you wake during the dream phase of sleep. You may be more likely to see hallucinations during the rapid eye movement cycle. You wake up in the middle of the night ...

Millions of people suffer from the curious condition known as sleep paralysis. Not being able to move or speak after waking, many have also reported seeing otherworldly phenomena while in this state.

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 ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by Leah Abucayan/Alberto Mier/CNN Baland Jalal lay in bed terrified, ...

(CNN) — 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, experiencing his own real-life horror ...

BERKELEY, Calif. — Baland Jalal lay in bed terrified, experiencing his own real-life horror film. Newly awake, the 19-year-old could see his surroundings but couldn't move or speak, and he didn't know ...

Sleep paralysis is "a condition where you feel paralyzed just before falling asleep or, more commonly, when you first wake up in the morning," says Kevin Walker, MD, the medical director of ...

ST. LOUIS — Have you ever been lying in bed falling asleep or waking up and notice you temporarily cannot move or speak but can see and hear? It lasts for a few seconds or longer. Maybe you try to ...

Sleep paralysis is the phenomenon of being unable to move upon waking from sleep. Episodes generally last for a few minutes. These episodes are often described as scary, and sometimes they’re ...