An exploding head. “That’s why you get these crazy-loud noises that you can’t explain, and they’re not actual noises in your environment,” Brian Sharpless, an author of the study, said in a statement.

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 ...