According to the American Sleep Disorders Association, the
average teenager needs around 9.5 hours of sleep per night,
possibly because critical growth hormones are released
during sleep.
The average adult requires between six and eight hours of
sleep per night for optimal health and productivity.
How do the two sentences relate?
A. They establish a contrast.
B. They contradict each other.
C. They reinforce each other.
D. They provide a problem and solution.

The two sentences relate like They establish a contrast. As American Sleep Disorders Association is considering the teenager sleep and adult sleep.

What is sleeping disorder?

Sleep Disorders are mostly common nowadays as people are more busy in their scheduling, they don't get proper and sufficient time to sleep. This creates many problems in the human body.

The common type of sleeping disorder are insomnia, restless toughnesses' syndrome, narcolepsy and sleep apnea.

Thus, option A is correct.

For more details about sleeping disorder, click here:

https://brainly.com/question/10266206

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