Nancy smells smoke when there is no fire. This is an example of:

The melodic tones of your teacher's voice have put you to sleep. Though the other students in the class can't see them, sleep spindles have begun to appear in your brain waves. You are likely in stage

a. 1. b. 2. c. 3. d. 4.

You see a story on television about a woman who stops breathing hundreds of times during the course of the night. Without being told, you realize that this woman suffers from a condition that is technically known as

a. oxygen deprivation disorder. b. cataplexy. c. narcolepsy. d. sleep apnea.