Waterloo study of hallucinations during sleep paralysis

When: Sep 1999
Where: Waterloo, Canada
Sources: 2 public sources

The University of Waterloo, where the sleep paralysis study was done JFVoll, CC BY-SA 4.0, via Wikimedia Commons

University of Waterloo psychologists J. Allan Cheyne, Steve Rueffer and Ian Newby-Clark published research on hallucinations during sleep paralysis. They described an 'Intruder' pattern of sensed presence, fear and visions, which researchers have weighed as one source of night-visitor accounts.

Sources

OtherHypnagogic and hypnopompic hallucinations during sleep paralysis: neurological and cultural construction of the night-mare (Consciousness and Cognition 8(3):319-337) (opens in a new tab)PubMed (U.S. National Library of Medicine) / 1999-09
OtherHypnagogic and Hypnopompic Hallucinations during Sleep Paralysis (journal page) (opens in a new tab)Consciousness and Cognition (Academic Press / Elsevier) / 1999-09

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