REM sleep serves as a critical brain process for processing fear, consolidating memories, and rehearsing threats, while simultaneously paralyzing the body to prevent physical movement; however, this same mechanism can sometimes malfunction, causing dreams to become stuck as nightmares.
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One Reason We Dream And (When It Goes Wrong) #dreamAdded:
Had a bad dream last night? You're not alone. Science says your brain uses REM sleep to process fear, consolidate memories, and even rehearse threats, all while your body is paralyzed so you don't move. That's one reason why we dream. But sometimes dreams get stuck as nightmares.
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