Around 30% of people will experience sleep paralysis at least once. Here’s why and what you can do about it.

Graham Falk speaks to sufferers of the terrifying phenomenon known as sleep paralysis, the disorder which can leave sufferers seeing nightmarish demonic figures in their bedroom.

A neuroscientist describes particular sleep disorders that occur while falling asleep and waking up. Hypnopompic hallucinations can happen with sleep paralysis, when body paralysis lingers during ...