The<unk>  study of choice for<unk>  is sleep history. Polysomnography must be performed when there is either a suspicion of an underlying sleep disorder, unusual nocturnal activity, or severe difficulty sleeping without an explanation. Multiple sleep latency test must be performed when there is a suspicion of narcolepsy. Actigraphy must be performed when there is a suspicion of circadian rhythm sleep disorder and the patient cannot provide the history of sleep pattern, or for the patients with<unk>  that is unresponsive to treatment.
Insomnia diagnostic criteria
Anhedonia diagnostic criteria
Bipolar disorder classification
Bipolar disorder diagnostic criteria
Bipolar I disorder diagnostic criteria
Clinical depression diagnostic criteria
Acute stress disorder diagnostic criteria
Bipolar II disorder diagnostic criteria