Research on circadian rhythms has shown that one of the best ways to increase the alertness and efficiency of workers on night shifts is to ____.
A) expose them to bright lights while they work
B) keep the environmental temperature constant from night to day
C) have them eat a big meal before going to sleep
D) allow them to catnap

Question

Quizplus · Accepted Answer

Exposing workers to bright lights while they work has been shown to help align their circadian rhythms to a night-time work schedule, thereby increasing alertness and efficiency. Bright light exposure is a key environmental cue that can influence the body's internal clock.

Research on Circadian Rhythms Has Shown That One of the Best