A psychologist or a psychiatrist is likely to diagnose one's difficulty in attaining adequate nightly sleep as a psychological disorder

A) even if it occurs relatively infrequently.
Incorrect. Generally speaking, infrequent disruptions of the sleep cycle are not considered to be a sleep disorder, even if they are inconvenient or disruptive to a person's life.
B) if it interferes with daily activities such as work and negatively impacts a person's health.
Correct. Everybody has the occasional difficulty sleeping, but when those difficulties significantly interfere with a person's functioning, they may indicate a sleep disorder.
C) only if the person feels that the lack of sleep is causing problems in other areas.
D) when it results from a deliberate choice, such as studying all night for an exam.


Answer: B

Psychology

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