As a person falls into deeper sleep, his or her pattern of brain-wave activity becomes both _____ in frequency and _____ in amplitude.
A)slower; higher
B)faster; higher
C)slower; lower
D)faster; lower

Question

Quizplus · Accepted Answer

As a person falls into deeper sleep, their brain-wave activity becomes slower in frequency and higher in amplitude, indicating deeper, more restful sleep stages.

As a Person Falls into Deeper Sleep, His or Her