While Serving as a Subject in a Laboratory Sleep Study

Multiple Choice

While serving as a subject in a laboratory sleep study for several nights, Steve was awakened whenever he entered REM sleep. As the number of nights in the study increased, Steve

A) increased the total number of hours he slept each night.
B) reduced the total number of hours he slept each night.
C) would enter REM sleep more and more frequently.
D) would enter REM sleep less frequently.