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REM sleep Definition & Meaning | Britannica Dictionary

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The Britannica Dictionarymobile searchHomeAsk the EditorWord of the DayQuizzesCore VocabularyBrowse the DictionaryBritannica HomepageAsk the EditorWord of the DayQuizzesCore VocabularyBrowse the DictionaryThe Britannica DictionaryREM sleep (noun)The difference between SPEAK and TALKSee the answer »Vocabulary QuizTest your word powerTake the Quiz »Name That ThingTake our visual quizTest Your Knowledge »sashay: to walk in a slow and confident way that makes people notice youLearn More »About Us & Legal InfoContact UsPrivacy NoticeTerms of UsePronunciation SymbolsHelpd="M0 12c0 5.123 3.211 9.497 7.73 11.218-.11-.937-.227-2.482.025-3.566.217-.932 1.401-5.938 1.401-5.938s-.357-.715-.357-1.774c0-1.66.962-2.9 2.161-2.9 1.02 0 1.512.765 1.512 1.682 0 1.025-.653 2.557-.99 3.978-.281 1.189.597 2.159 1.769 2.159 2.123 0 3.756-2.239 3.756-5.471 0-2.861-2.056-4.86-4.991-4.86-3.398 0-5.393 2.549-5.393 5.184 0 1.027.395 2.127.889 2.726a.36.36 0 0 1 .083.343c-.091.378-.293 1.189-.332 1.355-.053.218-.173.265-.4.159-1.492-.694-2.424-2.875-2.424-4.627 0-3.769 2.737-7.229 7.892-7.229 4.144 0 7.365 2.953 7.365 6.899 0 4.117-2.595 7.431-6.199 7.431-1.211 0-2.348-.63-2.738-1.373 0 0-.599 2.282-.744 2.84-.282 1.084-1.064 2.456-1.549 3.235C9.584 23.815 10.77 24 12 24c6.627 0 12-5.373 12-12S18.627 0 12 0 0 5.373 0 12">

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