Shifts between deeper and lighter sleep
A) skip sleep stages.
B) occur just once per night unless the sleeper is suddenly awakened.
C) occur throughout the night.
D) are the first sign of sleep deprivation.

Question

Quizplus · Accepted Answer

Shifts between deeper and lighter sleep occur throughout the night as part of the normal sleep cycle. It is known as the sleep architecture and it involves cycling through different sleep stages multiple times during the night. These shifts are necessary for the body to enter into the restorative stages of sleep, which help to rejuvenate and refresh you for the next day.

Shifts Between Deeper and Lighter Sleep