Sleep difficulties are among the main symptoms presented by depressed patients, and they can profoundly impact course of illness. Acupuncture is a widely recognized therapy to treat depressive disorders and sleep disturbances in clinical practice. This multicenter randomized placebo-controlled trial is aimed to investigate the efficacy and safety of electroacupuncture, sham acupuncture and standard medical care, administrated by professional acupuncturists and psychiatrists, in depression patients with insomnia.