Differences Between Third And Fourth Sleep Stages
What is the primary difference between the third and fourth stages of sleep?
A
Body temperature drops during the fourth stage of sleep.
B
There are no physiological differences between the third and fourth stages of sleep.
C
There is a greater proportion of delta waves during the fourth stage of sleep.
D
Delta waves are produced exclusively during the third stage of sleep.
E
Theta wave activity increases during both stages of sleep.