How do the findings in Dement's and
Carskadon's study contribute to the debate
surrounding later school start times?
(Paragraphs 15-17)
A. They introduce the idea of a sleep
debt that builds up over time.
B. They provide a set of rules for schools
to follow around start times.
C. They confirm that teens only get
about five hours of sleep most nights.
D. They prove that teen drivers are too
dangerous to be allowed on the road.