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

Question

Quizplus · Accepted Answer

Insomnia is a sleep disorder characterized by difficulty in falling asleep or staying asleep throughout the night. Apnea involves interrupted breathing during sleep, cataplexy involves sudden muscles weakness or paralysis, while narcolepsy involves falling asleep suddenly and uncontrollably.

A Sleep Disorder Characterized by Difficulty in Falling Asleep or Remaining