What tends to happen to people as they age with regard to circadian preference?
A) People's tendency for circadian preference remains unchanged until the late 70's.
B) People tend to become more like evening persons after reaching middle adulthood.
C) People tend to become more like afternoon persons after reaching middle adulthood.
D) People tend to become more like morning persons after reaching middle adulthood.

Question

Quizplus · Accepted Answer

Research has found that as people age, they tend to become more like morning persons and have a preference for earlier bedtimes and wake times. This shift in circadian preference tends to occur gradually, and by the age of 60, most people have a morning preference.

What Tends to Happen to People as They Age with Regard