Doctors have known for years that s

Doctors have known for years that sleep problems are intertwined with mood disorders. But only recently have they begun to investigate the effects of treating both at the same time. Antidepressant drugs like Prozac help many people, as does talk therapy, but in rigorous studies the treatments, administered individually, only slightly outperform placebo pills. Used together the treatments produce a cure rate — full recovery — for about 40 percent of patients.