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rapid eye movement
noun as in recurring sleep state
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Example Sentences
The fourth stage of sleep is the one experts call rapid eye movement, or REM sleep.
From Popular-Science
REM — rapid eye movement — sleep is a particularly interesting sleep stage in which muscle paralysis may allow us to experience dark and negative dreams with no risk of acting them out.
From Washington Post
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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