Generative Nightmares: When Objectless Alarm Generates Threat During Sleep
Year: 2026
Type: preprint
Abstract: This article proposes a mechanistic classification of aversive dreams into four types. Particular attention is given to what are here termed generative nightmares, whose specific function and mechanism of formation distinguish them from posttraumatic nightmares, conflict-biographical nightmares, and dysphoric dreams related to everyday worries. According to the proposed model, generative nightmares arise from objectless, endogenous alarm tension, for which the dreaming mind secondarily creates a threat object. Such dreams should be weakly rooted in autobiographical material, even though they contain intense scenes of threat and fear; serve an awakening function; be experienced by the dreamer as mysterious and incomprehensible; occur more often in the second half of the night; and be more frequent in children and in individuals with internalizing disorders than in the general population. The article explains the proposed mechanism, derives empirically testable predictions, and outlines new mechanism-based strategies for mitigating generative nightmares.
Author: Florkowski, Marcin
Institution: University of Zielona Góra
Language: English
Subfield: Cognitive Neuroscience
Field: Neuroscience
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7204268530
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