alleryStart learning →Insomnia is defined as difficulty falling or staying asleep at least three nights a week over:
AA decade or so
BA month's time
CA single night
DOne full year
Answer & Solution
Correct answer: B. A month's time
1. The definition includes both a frequency and a duration.
2. Insomnia is a consistent difficulty in falling or staying asleep.
3. It must occur for at least three nights a week over a month's time.
4. A single bad night therefore does not meet the definition.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 4 'States of Consciousness', sections 4.1-4.6_
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