Exercise: While most people may feel sleepy while watching TV or after (2)...

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.

Hello, Hoangquanhp, and welcome to the site !

We’ll be pleased to help you, but please give it a try yourself first.

(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.