In 1619, a loud sound and a bright flash of light woke philosopher René Descartes from a dream. Was it divine revelation – or exploding head syndrome?

A 75-year-old man presented with chronic exploding head syndrome, experiencing lightning-like sensations, thunder-like sounds, sleep paralysis, and intense fear during sleep onset. The symptoms, ...

Exploding head syndrome may sound like something out of a science fiction movie—but in fact it’s a very real sleep disorder. People with this sleep phenomenon are prone to experiencing loud and sudden ...

If you’ve experienced loud crashing noises as you sleep, you could be experiencing exploding head syndrome. This unsettling phenomenon is a type of sleep disturbance that, while harmless, can feel ...

Sleep paralysis occurs in 1 in 5 people, and more crucially, often comes with scary visions, writes Baland Jalal.

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 ...

(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 ...

Research reveals how “sleep paralysis” can turn us into prisoners within our own bodies. Imagine waking up from a peaceful night’s sleep, only to find yourself unable to move or speak. It’s a ...

(CNN) — 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 ...

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 ...