Dream, pre-sleep

Causes of Fatigue Slideshow Pictures

Medical Definition of Dream, pre-sleep

Dream, pre-sleep: Also called a hypnagogic hallucination, this type of dream is characteristically vivid and occurs as one is falling asleep or awakening.


Quick GuideThe 14 Most Common Causes of Fatigue

The 14 Most Common Causes of Fatigue

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Reviewed on 7/1/2016

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