Multiple Choice
Shortly after she lay down to go to sleep,Ellen was starting to drift off to a peaceful slumber.Out of nowhere,she experienced a sudden muscular spasm that pulled her right back to wakefulness.The technical name of this muscular contraction is a __________.
A) hypnagogic jerk
B) REM clench
C) sleep spindle
D) beta block
Correct Answer:

Verified
Correct Answer:
Verified
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