Which statement best describes the circadian rhythm? A) In a 24 ^-hour period of time, we feel the most awake after eating breakfast. B) In a 24 ^-hour period of time, adults require at least 8 hours of sleep to feel rested. C) In a 24 ^-hour period of time, we feel most sleepy during brightest period of the day. D) In a 24 ^-hour period of time, we spend a period of time awake and a period of time asleep.

Question

Quizplus · Accepted Answer

The circadian rhythm is a natural internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours, involving periods of wakefulness and sleep.

Which Statement Best Describes the Circadian Rhythm