Multiple Choice
On a submarine with constant artificial light and no sunlight,what happens to a sleep-wake cycle?
A) Depending on the brightness of the light, people are always wakeful or always sleepy.
B) People become alert when they have something to do, but otherwise sleepy.
C) People continue to alternate between wakeful and sleepy on a 24-hour basis.
D) People feel wakeful and sleepy on an irregular and unpredictable basis.
Correct Answer:
Verified
Correct Answer:
Verified
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