Which statement best expresses the central idea of the text? Older teenagers function better during the day if they are allowed to take several short naps.

Adults require 8-10 hours of sleep a night to remain healthy, while teenagers require even more sleep.

Depending on their age and personal needs, teenagers require about 8-10 hours of sleep a night to stay healthy.

When teenagers fall asleep, their unique biology prevents them from staying asleep for the recommended 8-10 hours.