Insomnia Hampers Work Productivity, Safety of Night Shift Workers

Night shift workers classified as alert insomniacs had the highest level of impairment in work productivity and cognitive function.

Treating insomnia in night shift workers may improve their work productivity and safety, claims a new research.

The researchers found that night shift workers classified as alert insomniacs had the highest level of impairment in work productivity and cognitive function, which was significantly worse than controls.

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"Our findings are important to everyone who is dealing with night shift work," said principal investigator Valentina Gumenyuk from Meadowlands Hospital in Secaucus, New Jersey. "Our study reaffirms that insomnia within shift work disorder demands clinical attention, and it suggests that treatments focusing on the relief of excessive sleepiness in shift work disorder may not sufficiently improve work-related outcomes."

The study also found that alert insomniacs reported significantly greater fatigue than sleepy insomniacs, which emphasizes on the clinical importance of distinguishing between fatigue and sleepiness. The research was conducted at Henry Ford Hospital in Detroit, Michigan.

The final analysis involved 34 permanent night workers, 26 of whom were diagnosed with shift work disorder. The researchers conducted an overnight lab protocol in which participants stayed awake for 25 hours in a dimly lit, private room. Participants wore an EEG cap to measure brain activity associated with attention and memory, and an event-related brain potential task assessed functional abilities.

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According to the authors, the impairments found in night shift workers, who were alert insomniacs have practical and serious consequences for workplace safety and occupational health.

The results appeared in the Journal of Clinical Sleep Medicine.

Insomnia | Sleeping Difficulty - Symptom Evaluation
Insomnia may be due to physiological, psychological, physical or environmental factors. Insomnia should be treated promptly in order to improve the quality of life and prevent other health problems.

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Difficulty in initiating and maintaining sleep is known as insomnia. It is a symptom that occurs due to other disorders and can cause daytime sleepiness.