Investigators propose to assess, within a cohort of patients, the predictive value of a total cholesterol threshold in the occurrence of SB.
555 inpatients suffering from a current Major depressive disorder (MDD), hospitalized in the Department of Emergency Psychiatry and Post Acute Care will be recruited.
Each patient will attend a total of 5 visits during a follow-up period of 18 months (visits at 1, 3, 6, 12, and 18 months)