This may sound like a stupid question but is a person's REM sleep period related to the time of day or to however many hours slept? |
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This may sound like a stupid question but is a person's REM sleep period related to the time of day or to however many hours slept? |
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As a general rule of thumb periods of REM sleep last longer later in the night. I don't think it has anything to do with the time of day you decide to go to sleep, but yes how long you've slept does have an impact. |
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