Our inability to fall asleep early,as we had planned,is most likely a reflection of
A) sleep paralysis.
B) narcolepsy.
C) the circadian rhythm.
D) sleep apnea.

Question

Quizplus · Accepted Answer

The circadian rhythm is the internal biological clock that regulates the sleep-wake cycle. When we are unable to fall asleep at the time we had planned, it could be due to our circadian rhythm being out of sync or disrupted.

Our Inability to Fall Asleep Early,as We Had Planned,is Most