When a person is shut off from the world such that he or she cannot even tell what time it is by light or dark, their sleep-waking cycle
A. Stays at about 24 hours.
B. Shortens to an average of about 20 hours.
C. Lengthens to an average of about 25 hours.
D. Becomes completely disrupted.
Answer:C
When a person is shut off from the world such that he or she cannot even tell what time it is by light or dark, their sleep-waking cycle
A. Stays at about 24 hours. B. Shortens to an average of about 20 hours. C. Lengthens to an average of about 25 hours. D. Becomes completely disrupted.