Dream

Dream

Dreams are successions of images, ideas, emotions, and sensations that occur involuntarily in the mind during certain stages of sleep. The content and purpose of dreams are not definitively understood, though they have been a topic of scientific speculation, as well as a subject of philosophical and religious interest, throughout recorded history. The scientific study of dreams is called oneirology. Scientists believe that, in addition to humans, certain birds and the majority of mammals also dream.

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Famous quotes containing the word dream:

    It is the sorrow; shall it melt? Ah, water
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    When I sleep I sleep and do not dream because it is as well
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    Gertrude Stein (1874–1946)