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Title: The REM stage of sleep occurs approximately every __________ during the night. Post by: hojayano on May 18, 2018 The REM stage of sleep occurs approximately every __________ during the night.
A) 45 minutes B) 90 minutes C) 120 minutes D) 2–4 hours Title: Re: The REM stage of sleep occurs approximately every __________ during the night. Post by: promii on May 18, 2018 Content hidden
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