Early to rise and early to bed can keep your depression at bay: Research

Going late to bed may increase your chances of depression, finds a study published in the 'Journal of Psychiatric Research'. 

Published: 15th June 2018 07:26 AM  |   Last Updated: 15th June 2018 07:27 AM   |  A+A-

By ANI

WASHINGTON D.C.: Getting up early can now work as an anti-depressant, finds research.

Middle-to-older aged women who are naturally early to bed and early to rise are significantly less likely to develop depression, according to researchers at the University of Colorado Boulder and the Channing Division of Network Medicine at Brigham and Women's Hospital in Boston.

According to researchers at the University of Colorado Boulder and the Channing Division of Network Medicine at Brigham and Women's Hospital in Boston, middle-to-older aged women who wake and sleep early are significantly less likely to develop depression.

The study of more than 32,000 female nurses explored the link between chronotype, or sleep-wake preference, and mood disorders.

It showed that even after accounting for environmental factors like light exposure and work schedules, chronotype - which is in part determined by genetics - appears to mildly influence depression risk.

"Our results show a modest link between chronotype and depression risk. This could be related to the overlap in genetic pathways associated with chronotype and mood," said lead author Celine Vetter.

The researchers found that night owls are less likely to be married, more likely to live alone and be smokers, and more likely to have an erratic sleep pattern.

After accounting for these factors, they found that early risers still had a 12 - 27 percent lower risk of being depressed than intermediate types. Late types had a 6 percent higher risk than intermediate types (this modest increase was not statistically significant.)

Your sleep pattern is influenced by your genes with research showing  12-42 percent heritability. And some studies have already shown that certain genes (including PER2 and RORA), which influence when we prefer to rise and sleep, also influence depression risk.

"Alternatively, when and how much light you get also influences chronotype, and light exposure also influences depression risk. Disentangling the contribution of light patterns and genetics on the link between chronotype and depression risk is an important next step," Vetter said.

Vetter stressed that while the study suggested that chronotype was an independent risk factor for depression, it did not mean night owls were doomed to be depressed. He feels that being an early bird is beneficial and effective as it is under one's control.

The study is published in the 'Journal of Psychiatric Research'. 

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