Shortly after Jamil began the ninth grade, he was sent to the principal's office several times for nodding off in his classes. His mother said that Jamil had recently started doing the same thing at home. When Jamil had to make a presentation in front of his geography class, he stood up, and then collapsed to the floor. Which of the following explanations is most likely?
A) Jamil has sleep apnea.
B) Jamil has REM sleep behavior disorder.
C) Jamil has narcolepsy.
D) Jamil has transient insomnia.

Question

Quizplus · Accepted Answer

Jamil's sudden collapse during a presentation and his mother's report of him nodding off at home suggest that he may have narcolepsy, a sleep disorder characterized by excessive daytime sleepiness and sudden attacks of sleep. Sleep apnea and REM sleep behavior disorder typically do not cause sudden daytime sleep attacks. Transient insomnia may cause difficulty falling asleep or staying asleep, but it does not typically cause sudden daytime sleep attacks or collapsing to the floor.

Shortly After Jamil Began the Ninth Grade, He Was Sent