Bill is usually very sleepy during the day and several times each week he falls asleep at work. A sleep clinic recently said he was suffering from

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Narcolepsy is characterized by excessive daytime sleepiness and sudden, uncontrollable episodes of falling asleep during the day. Falling asleep at work several times a week is a common symptom of narcolepsy. Insomnia is difficulty falling or staying asleep at night, somnambulism is sleepwalking, and cataplexy is sudden loss of muscle tone, usually triggered by strong emotions.

Bill Is Usually Very Sleepy During the Day and Several