Of the following ordered stages,which most resembles the first hour or so of a typical night of sleep?
A) 1, 2, 3, 4, REM
B) 1, 2, 3, 4, 3, 2, REM
C) 1, 2, 3, REM, 4, REM
D) 1, 2, 3, 4, 1, 2, 3, REM

Question

Quizplus · Accepted Answer

The first hour of sleep typically involves progressing through stages 1, 2, 3, and 4, then cycling back through stages 3 and 2 before reaching REM sleep.

Of the Following Ordered Stages,which Most Resembles the First Hour