A Psychologist or a Psychiatrist Is Likely to Diagnose One's

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

A) if it interferes with daily activities such as work and negatively impacts a person's health.
B) when it results from a deliberate choice,such as studying all night for an exam.
C) even if it occurs relatively infrequently.
D) only if the person feels that the lack of sleep is causing problems in other areas.