Hypnagogic Hallucinations: What are they and why do they occur?

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Hypnagogic Hallucinations: What are they and why do they occur?

Hypnagogic hallucinations are a type of hallucination that, although not based on real stimuli, can be auditory, visual and/or tactile. These occur shortly before the onset of sleep, commonly between the waking state and sleep. It usually occurs along with sleep paralysis, in the previous moments and/or immediately after having fallen asleep. Causes Hypnagogic hallucinations occur during the transient process of the waking state to sleep, during…