Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
Refer to the figure below.

-A friend tells you that she typically sleeps for about eight hours but often wakes up in the morning right out of anxiety-provoking dreams. Based on the figure, you tell her that this is

A) abnormal, and she is dreaming too much.
B) normal, because we usually awaken in the morning from stage 4 sleep.
C) abnormal, and she should see a sleep specialist about her insomnia.
D) normal, because our final episode of REM sleep occurs right before waking.