The Difference Between Insomnia and Apnea Is That __________

Multiple Choice

The difference between insomnia and apnea is that __________

A) apnea affects primarily the elderly, whereas insomnia is characteristic of children.
B) insomnia is treatable but apnea is not.
C) insomnia is characterized by sleeplessness, whereas apnea is characterized by breathing difficulties.
D) apnea is a precursor to narcolepsy, whereas insomnia is not.