Depressive symptoms associated with changes in circadian rhythms. Concordance in perception between doctor and patient, clinical impact and its response to current antidepressant drugs.

This is a descriptive, transversal and multicenter study using self-administered surveys concurrently to collect the opinions of two groups (psychiatrists and patients) and discuss their disagreements. The scope of study are hospital services, outpatient centers, individual professional consultation and other assistance system, public or private, which provides psychiatric care in Spain. Participated in this study 319 psychiatrists and 957 patients with the diagnosis of depression, stratified by autonomous communities.