A sleep disorder characterized by difficulty in falling asleep or staying asleep throughout the night is known as
A)somnambulism.
B)cataplexy.
C)narcolepsy.
D)insomnia.

Question

Quizplus · Accepted Answer

Insomnia is the sleep disorder characterized by difficulty in falling asleep or staying asleep throughout the night. Somnambulism is sleepwalking, cataplexy is sudden loss of muscle tone, and narcolepsy is excessive daytime sleepiness.

A Sleep Disorder Characterized by Difficulty in Falling Asleep or Staying