An unfolding sequence of perceptions, thoughts, and emotions during sleep (usually REM), that is experienced as a series ofreal-life events is a description of:

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This description fits the definition of a dream, which is a series of mental images and emotions that occur during sleep, typically during REM sleep. Sleep mentation refers to the content of any mental activity that occurs during sleep, including both dreaming and non-dreaming states. A hypnagogic hallucination refers specifically to a kind of dream-like experience that occurs while falling asleep, rather than during full-fledged REM sleep. Hypnosis involves inducing a trance-like state for therapeutic or entertainment purposes, and is not necessarily related to sleep or dreaming.

An Unfolding Sequence of Perceptions, Thoughts, and Emotions During Sleep