Why We Sleep
Written by Studio AM.
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Sleep supports the body and brain. While we rest, many processes continue that help us function during the day.
The body repairs tissues, and the brain remains active. Sleep can help strengthen some memories of things we have learned. Getting enough rest also supports attention, which helps us take in new information when awake. Learning involves both studying and rest; sleep does not select and save every useful fact for us.
Too little sleep can make concentration harder and reactions slower. We may also become short of temper. Even one poor night can affect safety if it leaves us too sleepy to drive or use machinery. Repeated sleep problems can affect health and deserve attention.
Making room for sleep is part of preparing for the next day, not simply time away from useful work.
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Questions
Choose an answer. The explanation appears after you answer.
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Question 1 of 4
What is the main idea of the passage?
The answer is A: Sleep lets the body and brain do vital work
The passage argues that sleep is not wasted time but active, useful work.
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Question 2 of 4
According to the text, what does the brain do during sleep?
The answer is B: It remains active and can strengthen some memories.
The second paragraph describes an active brain and a role for sleep in strengthening some memories.
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Question 3 of 4
Why can rest be useful alongside studying?
The answer is B: It supports attention and can help strengthen memories.
The passage connects sleep with memory and attention, both of which can support learning.
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Question 4 of 4
In this passage, "repairs" most nearly means
The answer is B: fixes what was damaged
The body repairs tissues, meaning it fixes damage in them.
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