Why Do Some People See Ghosts or Shadows When They're Alone?

Sometimes, your brain plays tricks on you. Imagine it's late at night and the room is dark, your eyes can't see clearly, so your brain fills in the blanks with things that look like people or shadows. This happens more often when someone is tired, stressed, or has been through something scary.

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Examples

When the lights go out, your brain might see a shadow that looks like a person.
You're reading in bed, and you see someone standing at the foot of your bed, even though there's no one there.
Your cat walks by, and you think you saw a ghost pass by.

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Categories: Psychology · ghosts,psychological perception,paranormal experiences,shadow vision,solitary hallucinations