This review examines new research on the inter-relationship between sleep disorders and mental disorders, with a focus on insomnia/sleep-wake rhythm disturbances and the pathophysiology and treatment of affective disorders. Recent evidence suggests that disturbed sleep and altered sleep-wake rhythms typically encountered in affective disorders provide important clues for prophylactic and therapeutic avenues. Curr Opin Psychiatry 11:327-331.
Department of Psychiatry and Psychotherapy, University of Freiburg, Freiburg, Germany
Correspondence to Professor Dr. Dieter Riemann, Department of Psychiatry and Psychotherapy, University of Freiburg, Hauptstr. 5, 79104 Freiburg, Germany
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