Late sleep-wake time preference linked to depression in individuals with diabetes
"These findings are important because depression is common in patients with type 2 diabetes," said lead investigator Sirimon Reutrakul, M.D., an associate professor at Mahidol University Faculty of Medicine, Bangkok, Thailand. "Also, previous studies show that untreated depression is related to worse patient outcomes, including diabetes self-care, blood glucose control and diabetes complications." In the general public, people with a later "chronotype," meaning a preference to go to bed late and wake up late, tend to have more symptoms of depression than do people who go to bed early and wake up early (early chronotype or morning preference), past studies have found. Reutrakul and her co-investigators wanted to study people with type 2 diabetes, who have an increased risk of depression, to learn whether a late r chronotype , or preference for evening activity, was independently associated with greater depression symptoms. Because chronotype may diffe...