Chronic insomnia is defined as
A. having trouble falling asleep during the day.
B. having trouble falling asleep or staying asleep at least three nights a week for at least six months.
C. having trouble falling asleep at night at least once a week.
D. having trouble falling asleep or staying asleep at least three nights a week for at least three months.
Answer: D
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A) cancer B) a severe infection C) a sore throat D) all of the above
The Heimlich maneuver helps
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