+**REM sleep** is a unique phase of [Sleep](/wiki/sleep) characterized by rapid eye movements, temporary muscle paralysis, and vivid [Dreams](/wiki/dream). This active stage is vital for memory consolidation, learning, and emotional regulation, recurring several times during a typical night.
+## See also
+- [Sleep Stages](/wiki/sleep_stages)
+- [Dreaming](/wiki/dreaming)
+- [Brain Waves](/wiki/brain_waves)
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