Why is sleep important?

What does the author mean by the phrase “vital role” in paragraph 1?

• significant damage

• important aspect

• determining issue

• assumed responsibility

Read the sentence from paragraph 2.

"The way you feel while you’re awake depends in part on what happens while you’re sleeping."

How do paragraphs 4-7 contribute to the development of the idea in the sentence?

• 1. by listing the required characteristics for a healthy, emotional well-being

• 1. by explaining some of the ways sleep influences the brain’s functions

• 1. by detailing the specific brain pathways affected by a sufficient amount of sleep

• 1.  by discussing a personal account of the ways in which sleep changes the body

Part A

Which statement summarizes a central idea of the “Daytime Performance and Safety” section?

• 1. In order to avoid dangerous microsleep and remain safe, people must achieve quality sleep each night.

• 1. Drowsy drivers can cause hundreds of thousands of accidents each year.

• 1. Remaining asleep throughout the night can be a challenge, but it is important for people to

     get to bed at appropriate times each night.

• 1. Microsleep can occur even after missing only one or two hours of sleep.

Which two quotations from the passage provides support for the answer in Part A?

1. In order to avoid dangerous microsleep and remain safe, people must achieve quality sleep each night.

• “Getting enough quality sleep at the right times helps you function well throughout the day.” (paragraph 14)

• “After several nights of losing sleep—even a loss of just 1-2 hours per night—your ability to function suffers as if you haven’t slept at all for a day or two.” (paragraph 15)

• “In fact, they may not even realize that they’re sleep deficient. Even with limited or poor- quality sleep, they may still think that they can function well.” (paragraph 19)

• “It’s estimated that driver sleepiness is a factor in about 100,000 car accidents each year, resulting in about 1,500 deaths.” (paragraph 20)

5. How does the author develop the idea that sleep affects all aspects of a person’s life and well-being?

• 1. by providing specific data

• 1. by using fictional stories

• 1. by listing medical diagnoses

• 1. by telling firsthand accounts

5. What does the author mean by the phrase “sleep debt” in paragraph 23?

• 1. the total cost associated with sleep deficiency-related accidents

• 1. the difference in how much sleep an infant needs as compared to an adult

• 1. the amount of sleep one has missed and needs to make up

• 1. the number of hours of sleep one needs to achieve in order to feel rested

How does the author encourage healthy sleep habits?

• 1. by providing the reader with suggestions for achieving deeper sleep

• 1. by comparing the effects on the body after sleeping six hours versus sleeping eight hours

• 1. by warning the reader about the dangers of not sleeping enough

• 1. by sharing success stories of adults in real life getting enough sleep

How does the table in the “How Much Sleep Is Enough?” section help the reader develop an understanding of the central idea?

• by showing how important sleep is to infants and children under the age of five
  

• by showing that the amount of sleep a person needs depends on his or her overall health

• by showing that the amount of sleep a person needs varies throughout life
  

• by showing how little sleep a person over the age of eighteen actually needs to survive

Match the following words from the text to the correct definition.

• acting or done without forethought

• impulsive (paragraph 7)

• change or cause to change in character or composition

• alters (paragraph 6)

• lack of something necessary or desirable

• function (paragraph 14)

• the purpose for which something is designed or exists

• deficiency (paragraph 3)