Studies have shown that exposing people to _____ during their last 4 hours of sleep can help shift workers who experience a sleep-phase delay.
A)low light levels
B)cooler temperatures
C)warmer temperatures
D)bright light

Question

Quizplus · Accepted Answer

Studies have shown that exposure to bright light during the last 4 hours of sleep can help shift workers who experience a sleep-phase delay. This is because bright light suppresses the hormone melatonin, which helps regulate sleep-wake cycles. By suppressing melatonin, bright light can help shift a person's sleep-wake cycle to a desired time.

Studies Have Shown That Exposing People to _____ During Their