Dr. Emily Zarka of Monstrum looks at the phenomenon of seeing a shadowy man in a wide brim hat appearing during episodes of sleep paralysis.

He said: "I can tell you what is happening here, it is called sleep paralysis and many people who think they have seen a ghost have just experienced this. "Basically, your body locks you down so ...

Here’s a fascinating video from the PBS YouTube channel Storied that explores why people who experience sleep paralysis see the shadow Hat Man. I experienced sleep paralysis a bit when I was a kid, ...

ANSWER: When we are in dream sleep (also called REM sleep), the body’s muscles are essentially turned “off” by the brain. If ...

He explained: "I can tell you what is happening here, it is called sleep paralysis and many people who think they have seen a ghost have just experienced this. "Basically your body locks you down ...

Most of us have been frightened at some time by scary monsters in our nightmares, but that fear pales in comparison with the real mysterious and menacing figure who has people around the world ...

Sleep paralysis is a feeling of being conscious but unable to move or speak. It happens when you pass between stages of wakefulness and sleep. [iStockphoto] Over the years, Simon Mwangi has been ...

In this episode Nat explores her own terrifying experience of sleep paralysis, considers what might cause it, discovers links to our past including some local ghost sightings in workhouses over a ...

Apparently, it is called sleep paralysis. As explained to me in an old newspaper article, it is when your brain is awake, but your body is still sleeping. This leads me to have minor to moderate ...