Health

Published: Thursday September 4, 2014 MYT 12:00:00 AM
Updated: Thursday September 4, 2014 MYT 7:24:17 AM

People in pain more likely to develop insomnia

The risk of long-term sleep problems are higher for people reporting widespread pain, says new study.

Older adults with pain for more than a day are more likely to report trouble sleeping years later, according to a new study. It might not be just the pain that’s leading to insomnia, the researchers say. Instead, much of the connection could be explained by lifestyle changes that often happen due to persistent pain, says lead author Nicole KY Tang of the University of Warwick in Coventry, in the UK.

Little is known about how the presence of pain leads to the development of insomnia, says expert. – Filepic

“Although we know that people with chronic pain are more likely to report problems sleeping than people without any pain, we know very little about how the presence of pain leads to the development of insomnia,” says Tang.

Tang and her team mailed questionnaires to all people age 50 or older registered with GPs in North Staffordshire. People with pain lasting more than one day in the previous month were asked to shade the area of pain on a blank body diagram.

Researchers considered those with pain on both sides of the body, above and below the waist, and in the bones of the head, spine or ribs to have ‘widespread pain,’ while the others had ‘some pain.’

Participants were also asked to complete a sleep questionnaire. Anyone with trouble falling or staying asleep, waking early, and waking up feeling tired and worn out on most nights of the last month were put in the insomnia category.

Three years after the original survey, the researchers sent out repeat questionnaires. Altogether they had answers from 6,676 people.

About 3,000 had some pain at the beginning of the study, while about 1,800 had none and 1,800 had widespread pain.

At the beginning, most people with each kind of sleep problem had widespread pain, fewer had some pain - and very few had no pain at all.

Three years later, compared to people without pain at the start, the people with pain were more likely to say their sleep problems had worsened, according to results in the journal Rheumatology. And those with widespread pain at the start were twice as likely to develop insomnia as those with no pain.

This relationship held even when age, gender, socio-economic class, education, anxiety and depression were taken into account, the authors write. The authors suspect that physical limitations and reduced social functioning might explain a lot of the relationship between pain and insomnia.

Pain leads to fewer social functions which can lead to sleep problems. A study finds that older adults with widespread pain were twice as likely to develop insomnia. – Filepic

People with pain often, but not always, reduce their physical activity levels and social interactions, Tang says.

“These are common but not inevitable consequences of pain,” she told Reuters Health by email. “We believe that engagement in physical and social activities are important to promoting sleep, as it generates sleep pressure and brings exposure to light and mental stimulation that are essential for the regulation of our circadian rhythm.”

But these two possible consequences of musculoskeletal pain may not explain the whole picture, says Silvia M Bigatti, an associate professor in the Richard M Fairbanks School of Public Health at Indiana University – Purdue University Indianapolis. Bigatti was not part of the new study.

“All these authors are able to show is that these four variables are related, and importantly, that they were able to show which came first because they studied these patients over time,” says Bigatti. But the study does emphasise that trying to treat insomnia alone may only be treating the symptom of another medical problem, like pain, she says.

“This is true for patients with this kind of pain, but also for anyone with insomnia,” Bigatti says. “Try to figure out when it started, when it is worse, when it is better, and find which precursor to treat.”

Treatment will vary based on the pain condition, and there are non-pharmacologic therapies available, she says.

“For older people with pain, keeping physically and socially active may help reduce the risk of developing insomnia,” Tang says. – Reuters

Understanding pain

While overwhelming pain is not a good thing, having the sensation is helpful to us generally. 

Pain makes us aware of dangers and harm. Watch the video below to get more understanding on pain and pain treatments. 

Tags / Keywords: pain, older adults, insomnia, sleeping problems, pain management, troubled sleep, survey, health, seniors

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