Sleep paralysis is considered parasomnia, defined as an abnormal sleep behavior. There have been scientific studies ...

People throughout history have reported seeing a similar "nightmarish figure", reported Quartz, going back to ancient times and inspiring art and ... attribute to sleep paralysis, when "the ...

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 ...