You are chatting and laughing with a friend, and then suddenly your friend is asleep. You are not surprised to later learn that he has a sleep disorder known as

Question

Quizplus · Accepted Answer

Narcolepsy is a sleep disorder that causes excessive daytime sleepiness and sudden sleep attacks, which can occur at any time, even during activities like talking, laughing, or driving. So, sudden sleep episodes in the middle of an activity indicate narcolepsy, making option B the correct choice.

You Are Chatting and Laughing with a Friend, and Then