Similarly, visions of shadow people — and the Hat Man in particular — have been linked to incidents of sleep paralysis, which typically occurs while the brain is in the rapid eye movement (REM ...

Known as the Hat Man, this tall, dark, featureless entity has been seen in people's bedrooms across the globe, watching over ...

A man has taken to social media to share footage of the 'shadow figure' who he claims has been watching him and his family on a night - but not everybody is convinced it's actually a ghost ...