1. Taylor, who is eight years old, got up, walked to her brother's bedroom, and hit him in the face. She then walked back to her own bed and laid down. When her mother woke her up a few minutes later, she claimed that she didn't remember hitting her brother. Which of the following is the best explanation of this event?

A. Taylor had a sleep terror in which she felt hatred for her brother.
B. Taylor probably was in REM sleep and was acting out a dream.
C. Taylor was having a hypnagogic experience during Stage-1 sleep.
D. Taylor was sleepwalking in Stage-4 sleep.

2. Whenever people first fall asleep, they typically enter which of the following stages?

A. Stage 1
B. either Stage 1 or Stage 2
C. REM sleep
D. none of the above

3. Dreams occur during which of the following stages?

A. Stage 1
B. Stage 2
C. REM sleep
D. all the above

4. Which of the following distinguishes nightmares from sleep terrors?

A. Nightmares and sleep terrors typically occur during different stages of sleep.
B. Nightmares and sleep terrors tend to occur during different periods of the lifespan.
C. Nightmares and sleep terrors tend to occur on different nights.
D. all the above

5. Alcohol suppresses REM sleep. Thus, when you drink alcohol before going to sleep, you tend to get less REM sleep than is normal for you. Based on this finding, which of the following is MOST likely to happen to people who drink alcohol just before going to bed?

A. They will have fewer dreams.
B. They will have fewer sleep spindles.
C. They will have more delta waves.
D. They will have more sleep terrors.

6. In which of the following stages of sleep do delta waves FIRST appear?

A. stage 1
B. stage 2
C. stage 3
D. stage 4

7. One night, just as Ashley was falling to sleep, she felt someone touch her foot. She woke up thinking that her little brother had just come into the room and wanted her for something, but no one was there. She looked all around the bedroom but discovered that she was alone. Based on what you have learned in this section, what probably happened to Ashley?

A. She had a hypnagogic experience.
B. She had a hypnopompic experience.
C. She entered REM sleep instead of Stage 1 sleep.
D. She entered NREM sleep instead of Stage 1 sleep.

8. In order to determine if a man experiencing erectile dysfunction is suffering from a physical or mental disorder, doctors sometimes look at what happens during sleep. Which sleep stage would they be most interested in examining?

A. Stage 1
B. Stage 2
C. SW sleep
D. REM sleep

9. When I was a boy, my father sometimes would come home from work, sit in front of the TV, and start to snore. When I would ask him to please stop snoring, he would say, "I wasn't sleeping!" Was my father lying to me?

A. Yes, most people know the difference between being awake and being asleep.
B. Perhaps, but he probably was experiencing a hypnopompic hallucination or delusion.
C. No, most people in Stage 1 sleep do not know that they've just been sleeping.

10. About how long after adults fall asleep do they enter SW sleep (on average)?

A. 60-75 minutes
B. 40-50 minutes
C. 15-30 minutes
D. 5-10 minutes

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