hypnopompic hallucination
Pronunciation: hip-nuh-POM-pik
Vivid sensory experiences occurring during the transition from sleep to wakefulness, often accompanying sleep paralysis.
Full Definition
Hypnopompic hallucinations are perceptual experiences that occur during the hypnopompic state - the transitional period between sleep and full awakening. These hallucinations can be visual, auditory, or tactile and often feel extremely realistic to the individual experiencing them. They frequently co-occur with sleep paralysis and are part of the classic tetrad of narcolepsy symptoms. Unlike psychotic hallucinations, hypnopompic hallucinations occur exclusively in the context of awakening from sleep and typically cease once the person is fully alert. These phenomena can be particularly distressing for patients unfamiliar with their benign nature.
Usage
Usage note: Occurs during awakening (vs hypnagogic during sleep onset). Often indicates sleep disorder rather than psychiatric condition.
In Context
- "The patient described hypnopompic hallucinations of voices calling her name as she awakened each morning." — Sleep disorder evaluation
- "Hypnopompic hallucinations were documented alongside cataplexy and excessive daytime sleepiness in the narcolepsy workup." — Sleep medicine consultation