People who are lying tend to change their head position ... "The head will be retracted or jerked back, bowed down, or cocked or tilted to the side," said Glass. This will often happen right ...

People with BPPV experience paroxysmal, or sudden and short periods of vertigo. If dizziness is due to another condition, symptoms may be present when lying down as well as when sitting or standing.

Dramatic photos show a person lying on the subway tracks in Queens early Saturday just minutes before a train was set to ...