

We explore the fascinating topic of sleep demons, including various cultural depictions of these sleep intruders, modern scientific explanations, and ways to reduce the risk of sleep paralysis. Sleep-related hallucinations have been described throughout recorded history.

In which they hear, see, feel, or sense something in their bedroom.

In as many as 75% of these episodes, the sleeper has a hallucinationĪmerican Academy of Sleep Medicine (AASM) AASM sets standards and promotes excellence in sleep medicine health care, education, and research. Roughly 20% of people have an episode of sleep paralysisĪt least occasionally. Sleep demons are frightening phenomena that are all too real for people who experience sleep paralysis. Read our full Advertising Disclosure for more information. Although Sleep Foundation maintains affiliate partnerships with brands and e-commerce portals, these relationships never have any bearing on our product reviews or recommendations.Writers and editors caught stealing content or improperly citing sources are immediately terminated, and we will work to rectify the situation with the original publisher(s) Inaccurate or unverifiable information will be removed prior to publication. A member of our medical expert team provides a final review of the content and sources cited for every guide, article, and product review concerning medical- and health-related topics.These internal links are intended to improve ease of navigation across the site, and are never used as original sources for scientific data or information. Some guides and articles feature links to other relevant Sleep Foundation pages.Each guide and article includes a comprehensive bibliography with full citations and links to the original sources. All scientific data and information must be backed up by at least one reputable source.These include peer-reviewed journals, government reports, academic and medical associations, and interviews with credentialed medical experts and practitioners. We only cite reputable sources when researching our guides and articles.

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