(HealthDay)—Insomnia may significantly increase the risk that older adults will be unable to shake off depression, researchers say.
For the study, the investigators analyzed data on nearly 600 people over age 60 who visited primary care centers in New York City, Philadelphia and Pittsburgh. All had some level of depression.
Compared to patients whose sleep improved, those with worsening sleep problems were about 28 times more likely to be diagnosed with major depression at the end of the 12-month study.
Patients whose sleep worsened also had nearly 12 times the odds of minor depression and were 10% more likely to