Hypnagogia

Hypnagogia is the transitional state from wakefulness to sleep, also defined as the waning state of consciousness during the onset of sleep. Its opposite state is described as hypnopompia – the transitional state from sleep into wakefulness. Mental phenomena that may occur during this "threshold consciousness" phase include hypnagogic hallucinations, lucid dreaming, and sleep paralysis.

This article is about the psychological state. For the musical genre, see Hypnagogic pop.
"Waking dream" redirects here. Not to be confused with daydreaming.
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