View the Show Me More video and then answer the questions.

Icon

Fuse/Corbis/Getty Images

Listen to the audio (Opens in new window)

Question 1
By waking teenagers up before their natural biological clock is ready, we are robbing them of their dream sleep, which is most associated with all but which of the following?
Question 2
Among American teenagers, only about blank in 10 get(s) the 8 to 10 hours of sleep that is recommended each night.
Question 3
Researchers studied school districts where school start times were later than average. They found that teenagers