Your addiction to junk food and sleep quality has a strange relation. Watch out | fitness | Hindustan Times
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Your addiction to junk food and sleep quality has a strange relation. Watch out

If you’re bingeing on fast food to cope with stress, a proper sleep will help you, say researchers.

fitness Updated: Jun 29, 2017 15:23 IST
A good night’s sleep can make you feel less vulnerable to unhealthy eating.
A good night’s sleep can make you feel less vulnerable to unhealthy eating. (Shutterstock)

Do you reach out for a tasty but unhealthy treat at the end of a long, stressful day at work? It’s time to stop. A new study suggests a good night’s sleep can serve as a protecting factor between job stress and unhealthy eating in the evening. The study is one of the first to investigate how psychological experiences at work shape eating behaviours.

“We found that employees who have a stressful workday tend to bring their negative feelings from the workplace to the dinner table, as manifested in eating more than usual and opting for more junk food instead of healthy food,” said Chu-Hsiang “Daisy” Chang, MSU associate professor of psychology and study co-author. “However, another key finding showed how sleep helped people deal with their stressful eating after work,” she added. “When workers slept better the night before, they tended to eat better when they experienced stress the next day.”

Often, employees bring stress from the work place to the dinner table. (Shutterstock)

The research involved two studies of 235 total workers in China. One study dealt with information-technology employees who regularly experienced high workload and felt there was never enough time in the workday. The second study involved call-center workers who often got stressed from having to deal with rude and demanding customers. In both cases, workday stress was linked to employees’ negative mood while on the job, which in turn was linked to unhealthy eating in the evening, said Yihao Liu, co-author and assistant professor at the University of Illinois.

The study proposed two potential explanations, Liu said. “First, eating is sometimes used as an activity to relieve and regulate one’s negative mood, because individuals instinctually avoid aversive feelings and approach desire feelings,” he said. “Second, unhealthy eating can also be a consequence of diminished self-control. When feeling stressed out by work, individuals usually experience inadequacy in exerting effective control over their cognitions and behaviors to be aligned with personal goals and social norms.”

Chang said the finding that sleep protects against unhealthy eating following workday stress shows how the health behaviors are related. “A good night’s sleep can make workers replenished and feel vigorous again, which may make them better able to deal with stress at work the next day and less vulnerable to unhealthy eating,” she said. To address the problem, companies should emphasize the importance of health management for their employees and consider sleep-awareness training and flexible scheduling.

Companies should also reconsider the value of food-related job perks, which have become very common. “Food-related perks may only serve as temporary mood-altering remedies for stressed employees,” Chang said, adding,“Failure to address the sources of the work stress may have potential long-term detrimental effects on employee health.” The findings have been published online in the Journal of Applied Psychology.

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