When people live in an environment free of any time cues and are allowed to sleep,eat,and work whenever they want,they typically follow a:
A)28.0-hour cycle.
B)22.8-hour cycle.
C)24.3-hour cycle.
D)26.0-hour cycle.

Question

Quizplus · Accepted Answer

Studies have shown that in an environment free of time cues, most people exhibit a natural circadian rhythm of approximately 24.3 hours, meaning they tend to sleep, eat, and work about 24 hours and 15 minutes each day. Options A, B, and D are not supported by research.

When People Live in an Environment Free of Any Time