TUESDAY, February 23, 2021
A constant sleep routine can do more than just rest well: New research suggests that the more changes in your sleep schedule, the more likely you are to have worse symptoms of mood and depression.
Researchers from Michigan Medicine followed the way the trainees slept in the first year of their stay after medical school. According to research, this irregular sleep schedule can increase a person’s risk of depression by as much as less total hours of sleep or night’s sleep.
The scientists used fitness devices to determine the sleep and activities of more than 2,100 doctors in their early careers. Mood data was collected by asking trainees to report their daily mood in a smartphone app and to do quarterly tests for signs of depression. The researchers tracked the information for an average of two weeks before starting medical practice and four months during their internship year.
The interns already had long, intense working days and irregular schedules, which made them a group that could be easily studied. With an average age of 27 and a completed medical degree, they were not representative of the general population.
“For the first time, these devices allow us to record sleep over long periods of time without effort for the benefit of users,” said Dr. Cathy Goldstein, associate professor of neurology and physician at the Center for Sleep Disorders in Michigan Medicine.
Trainees whose devices were shown to have variable sleep schedules were more likely to score more on standardized questionnaires for depressive symptoms and had a lower daily mood score, as well as those who stayed up late or had at least hours of sleep, the study authors said in a statement. medicine Michigan.
The findings add to what is already known about the link between sleep, daily mood and long-term risk of depression, the researchers said.
Dr. Srian Sen, who leads a larger internal medicine health study, said, “These findings highlight sleep persistence as an underrated factor to target in depression and wellness.”
The internal medicine study is funded by the American National Institute of Mental Health and the American Suicide Prevention Foundation. The latest findings were published online on February 18 in the journal npj Digital Medicine.
The U.S. Centers for Disease Control and Prevention has more information on sleep and sleep disorders.
SOURCE: Michigan Medicine, news, February 18, 2021
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