$ 0 0 Have you ever heard of sleep paralysis? It can be exactly as scary as it sounds.Article SourcesArticle Sources: http://www.sleepeducation.org/sleep-disorders-by-category/parasomnias/sleep-paralysis/overview-factshttp://www.theatlantic.com/health/archive/2016/05/sleep-paralysis/484490/Image SettingsImage: Image may be NSFW. Clik here to view. Medianet Ad Pixel: Display Sovrn Ads: Display read more