Question
(12) By the end of the 1700s, street lighting in cities became more common, people stayed up later, and
writers mentioning first and second sleep less and less (13) Most people seem to have adapted to
consolidated sleep, even if they do not get a full eight hours each night. (14) However, researchers argue
that some modern sleep disorders such as insomnia may be the result of enforcing an unnatural sleep
rhythm. (15) In other words, waking in the middle of the night may not indicate an inability to sleep, but
rather an attempt by the brain to sleep “naturally."
Which of the following pieces of information, if added to the last paragraph (sentences 12-15), would best
support the writer's argument?
Other research suggests that insomnia may be hereditary
Although common elsewhere, napping during the workday is not generally accepted in the United States.
and ev
enjoyable.
The industrial revolution and the invention of the light bulb also contributed to the demise of segmented
sleep
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The afternoon slump that many workers experience is partly a result of the digestion of their lunches.
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