Based on the information in Text 1, which sentence explains how the sleep habits of teenagers are impacted by school start times?
A Teenagers need more sleep than younger students, so when school starts too early, students of all
ages suffer.
B. It is natural for teenagers to stay awake late at night and sleep late in the mdoning rather than go to
bed early and wake up early, so teens do not get enough sleep when school starts early.
C. Teenagers often find themselves with too many activities, so they are forced to stay awake late into
the evening and have trouble staying awake during early classes when school starts earlier.
D. It is hard for teens to wake up in the morning, regardless of the time, so delaying school start times
allows them to wake up more naturally.