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, ...

What are sleep paralysis demons? Sleep paralysis demons are nightmarish hallucinations that often accompany episodes of sleep paralysis. This occurs when the temporary paralysis, which is a normal ...

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 ...

If you’re someone who sleeps like a baby through the night, only waking to give a cutesy, Sleeping Beauty-style yawn before slipping back into a deep slumber, then I feel happy for you. Truly – I’m ...

Have you ever opened your eyes in the middle of the night and realized you could not move a single part of your body? Your brain feels awake, but your arms, legs, even your voice, feel locked. Some ...

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 why. He thought, “ ...

Sleep is vital for both mental and physical health. Lack of restful sleep can lead to the effects of fatigue, and further potential health issues. One of the more disturbing sleep disturbances is ...

(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 ...

(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 ...