What machine would be used to measure the brain waves of someone asleep?

• EEG

• EKG

• CAT Scan

• PET Scan

What are the brain waves of a person in deep sleep

• Delta waves

• Alpha waves

• Beta waves

• Theta waves

We spend roughly how much of a night in REM sleep?

• 25%

• 33%

• 50%

• 75%

What sleep stage includes traits such as uneven breathing and relaxed muscles?

• NREM-1

• NREM-2

• NREM-3

• REM

What sleep stage includes traits such as a drop in body temperature and eyes going side to side?

• NREM-1

• NREM-2

• NREM-3

• REM

In what sleep stage would night terrors occur?

• NREM-1

• NREM-2

• NREM-3

• REM

Which stage of sleep includes traits such as bedwetting and feeling disoriented if awoken?

• NREM-1

• NREM-2

• NREM-3

• REM

How long does the average sleep cycle last?

• 60 minutes

• 90 minutes

• 120 minutes

• 150 minutes

Rapid brain waves and lengthening through the night are traits of which sleep stage?

• NREM-1

• NREM-2

• NREM-3

• REM

Most humans spend roughly what fraction of their lives asleep?

• 1/4

• 1/3

• 1/2

• 1/10