Which of the Following Is True About Insomnia

Multiple Choice

Which of the following is true about insomnia?

A) Sleep involves waking dozens and even hundreds of times each night without being aware of it.
B) It does not contribute to high rates of accidents in the workplace.
C) People with insomnia have trouble going to sleep or staying asleep.
D) Insomnia may be associated with fitful snoring throughout the night.
E) Insomnia is caused by an air pipe blockage.