concept

hypnagogic and hypnopompic hallucinations

Also known as: hypnopompic hallucinations, hypnagogic hallucinations

Facts (6)

Sources

Extent and Health Consequences of Chronic Sleep Loss and ... - NCBI ncbi.nlm.nih.gov Colten HR, Altevogt BM · National Academies Press 2 facts

claimNarcolepsy is associated with symptoms including excessive daytime sleepiness, cataplexy, sleep paralysis, hypnagogic/hypnopompic hallucinations, insomnia, autonomic behavior, and REM behavior disorder.

claimHypnagogic/hypnopompic hallucinations are dreamlike REM sleep experiences, often frightening, that occur when falling asleep or waking up.

Exploring “lucid sleep” and altered states of consciousness using ... philosophymindscience.org Philosophy and the Mind Sciences Jan 7, 2025 2 facts

referenceJ. A. Cheyne, S. D. Rueffer, and I. R. Newby-Clark published a 1999 study in Consciousness and Cognition examining the neurological and cultural factors involved in hypnagogic and hypnopompic hallucinations during sleep paralysis.

referenceRaduga (2021) proposed a method for lucid dreaming induction that utilizes the triggering of hypnopompic hallucinations.

The Alien Abduction Phenomenon of the Mid-20th Century - Shortform shortform.com Shortform Mar 14, 2024 1 fact

claimSleep phenomena, including sleep paralysis and hypnagogic or hypnopompic hallucinations, can mimic alien abduction experiences and impact how individuals perceive these events.

Reptilian Aliens: They Walk Among Us - Hangar 1 Publishing hangar1publishing.com Sanjay Kapoor · Hangar 1 Publishing 1 fact

perspectiveMainstream psychology attributes experiences of reptilian entities to sleep paralysis, hypnagogic hallucinations, false memory syndrome, or deliberate fabrication.