Why Might Eyes and Facial Muscles Twitch During REM Sleep

question 131

Multiple Choice

Why might eyes and facial muscles twitch during REM sleep?

• A)The brain relinquishes control over muscle movements, allowing minor spasms to occur.
• B)The brain is tuning the neural circuits needed for these movements.
• C)After remaining still throughout NREM sleep, the muscles need to contract.
• D)There is no need to regulate muscle movements involved in social cues during sleep.

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