2.
PART B: Which detail from the text best supports the answer to Part A?
A. "A new study, published in February in the Journal of Youth and Adolescence,
takes a more nuanced look, attempting to determine just how much each houn
less per night really costs" (Paragraph 1)
"Although teenagers need about nine hours of sleep a night on average,
according to the National Institutes of Health, only 3 percent of students
reported getting that amount" (Paragraph 2)
"These correlational findings do not prove that lack of sleep is causing these
problems. Certainly the reverse can be true: depression and anxiety can cause
insomnia." (Paragraph 3)
"But the majority of the research evidence supports the causal direction being
lack of sleep leading to problems rather than the other way around" (Paragraph