Sleep Paralysis - In Mexico, it is believed that this is caused by the spirit of a dead person. This ghost lies down upon the body of the sleeper, rendering him unable to move. People refer to this as "Subirse el Muerto" (dead person on you)
The Oak Grove bridge is haunted by the ghost of a woman whose husband threw her off the bridge in the killing her. Legend even says that if you stop your car on the bridge at night, it won't start again.
aken at the New Bell Inn pub in Harwich Essex, England, this photo reportedly shows the ghost of an old woman sitting near the fireplace. According to the original submitter, the men in the pic did not notice the woman at the time of the photograph.