Multiple Choice
A polyphasic sleep cycle is one in which the individual regularly sleeps
A) once every 24 hours.
B) once every 24 hours, but sometimes in the day and sometimes in the night.
C) more than once every 24 hours.
D) three times or more every 24 hours.
E) in two or more different advanced phases.
Correct Answer:

Verified
Correct Answer:
Verified
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