Research has shown that Zeitgebers are most effective:
A) at sunrise.
B) at sunset.
C) during the night.
D) at sunrise and sunset.

Question

Quizplus · Accepted Answer

Zeitgebers are external cues such as light, temperature, and social interactions that help regulate our internal biological clock. Sunrise and sunset are the most powerful Zeitgebers because they help set our body clock to the natural circadian rhythm. Therefore, the most effective Zeitgebers are at sunrise and sunset.

Research Has Shown That Zeitgebers Are Most Effective