When working an occasional night shift,people often feel groggiest in the middle of the night but experience new energy around the time they normally would wake up.This best illustrates the impact of
A) sleep apnea.
B) memory consolidation.
C) the circadian rhythm.
D) REM rebound.

Question

Quizplus · Accepted Answer

The described pattern of grogginess in the middle of the night followed by renewed energy in the morning coincides with the natural 24-hour cycle of the circadian rhythm, which regulates sleep and wakefulness. Sleep apnea, memory consolidation, and REM rebound are not directly related to this pattern.

When Working an Occasional Night Shift,people Often Feel Groggiest in the Middle