Which of the following statements is true of Stage 4 sleep?
A)It produces low-amplitude brain waves.
B)It is the lightest stage of sleep.
C)During Stage 4 sleep, the delta waves produced by the brain slow to about 0.5 to 2 cycles per second.
D)During Stage 4 sleep, the delta waves produced by the brain have a frequency of 8 to 13 cycles per second.

Question

Quizplus · Accepted Answer

During Stage 4 sleep, the delta waves produced by the brain slow to about 0.5 to 2 cycles per second.

Which of the Following Statements Is True of Stage 4