Reading Comprehension

1. How many stages are in the sleep cycle?

• 2

• 3

• 4

• 5

Which stage of the sleep cycle lasts the longest?

• 2

• 3

• 4

• 5

During which stage do we have little bursts of faster waves?

• 2

• 3

• 1

• 5

During the fourth stage of sleep, our heart rate and body temperature are:

• At their highest points.

• At their lowest points.

• Increased from the third stage.

• Increased from the fifth stage

What are our slow brain waves called?

• Delta Waves

• Beta Brain

• Delta Brain

• Beta Waves

What happens during the third stage of the sleep cycle?

• Heart rate increases

• Brain activity becomes slower

• Delta waves are interrupted by faster waves

• Dreaming occurs frequently

During which stage do we experience the most vivid dreams?

• Stage 1

• Stage 2

• Stage 3

• REM Sleep

True or False: During REM sleep, our brain waves look the same as when we are awake.

• True

• False

Fill in the blank: Babies may spend around ______ of their total sleep in REM sleep.

• 10%

• 25%

• 50%

• 80%

What is one activity that might occur during the third stage of the sleep cycle?

• Sleepwalking

• Reading

• watching TV

• Playing