Alexis Most Enjoys Talking and Socializing with Friends Late in the Evening.Her

Multiple Choice

Alexis most enjoys talking and socializing with friends late in the evening.Her mother,however,is most energized for social interactions about an hour after breakfast.This difference between Alexis and her mother is best explained by the fact that age and experience tend to alter our

A) REM rebound.
B) NREM-2 sleep.
C) hypnagogic sensations.
D) circadian rhythm.