Fill in each blank with one suitable word.
People who suffer from excessive sleepiness during the daytime may be (1)_______ of a condition known as “narcolepsy”. While most people may feel sleepy while watching TV or after (2)______ a meal, narcoleptics may fall asleep at unusual or embarrasing times. They may (3)_____ while eating, talking, taking a shower, or (4)_____ driving a car. Victims can be affected in one of two ways. Most (5)______ have several sleeping spells during each day with alert periods in (6). A (7)____ of others feel drowsy almost all the time and are alert for only brief intervals.
There are no (8) data showing how many people have (9). Some (10)_____ put the number as (11)_____ as 300,000 in the United States alone. The cause of this illness has not been identified, although (12) research suggests that the problem may (13)______ from an immune system reacting (14)______ to the brain’s chemical processes. There is (15)_______ no cure for narcolepsy, so (16)_____ of this condition can only have their symptoms treated (17)_______ a combination of counseling and drugs.
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(2) having, (3)sleep, (4) even , (5)narcoleptics, (7) number, (8)official , (9)narcolepsy, (10)scientists, (11) many, (13) come, (16) people, (17)with. That’s all I can do. Help me check it and complete the other numbers. Thank you so much,Mrs Conchita.