The association between micronutrient status and sleep quality in patients with depression: a case-control study.

Purpose: Few previous studies estimated the association between micronutrient status and sleep quality; no previous work was done in patients with depression compared with healthy controls.

Methods: Using a case-control design, 96 patients with depression were age- and sex-matched with 96 healthy controls. Dietary assessment utilized a standardized questionnaire, and analysis focused comprehensively on 18 micronutrient items.