This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sleep Disorders, Subject name: Psychiatry
[{'content': 'Narcolepsy is? \nSelect and explain. \nA. Sleep walking, B. Sleeptalking, C. Increased day time sleep, D. Sleep terrors', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Increased day time sleep Narcolepsy* This is characterized by excessive day time sleep, often disturbed night time sleep and decreased in the REM sleep.* Age of onset is between 10-20 years.* There is irresistible desire to sleep and bouts of sudden sleep each lasting for 10-30 minutes occurring during day time.* In majority of cases narcolepsy is associated with one or more accessory symptoms : -i) Cataplexy: - It is the most common accessory symptom and is characterized by sudden decrease in muscle tone, either, local or generalized.ii) Hypnagogic hallucination: - Hallucination occurring just before falling.iii) Sleep paralysis (least common)* Treatment of narcolepsy includes stimulant medications (methyphenidate, amphetamines) or modafinil.", 'role': 'assistant'}]