A sleep disorder characterized by difficulty in falling asleep or remaining asleep throughout the night is _________
A) zombulism.
B) cataplexy.
C) narcolepsy.
D) insomnia.

Question

Quizplus · Accepted Answer

Insomnia is a sleep disorder characterized by difficulty in falling asleep or remaining asleep throughout the night. Zombulism and cataplexy are not recognized sleep disorders, and narcolepsy is a sleep disorder characterized by excessive daytime sleepiness and sudden attacks of sleep.

A Sleep Disorder Characterized by Difficulty in Falling Asleep or Remaining