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.
Correct Answer:
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B)N2 sleep.
C)N3
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A)men.
B)women.
C)teenagers.
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