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Risk of suffering from insomnia higher if family member is insomniac

Date:
September 14, 2011
Source:
Université Laval
Summary:
The risk of insomnia is 67 percent higher in people from families in which at least one member is an insomniac, according to a new study.

A study presented September 12 by Université Laval researchers at the 4th World Congress on Sleep Medicine currently underway in Quebec City revealed that the risk of insomnia is 67% higher in people from families in which at least one member is an insomniac.

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The research team, directed by Dr. Charles M. Morin of Université Laval's School of Psychology, came to these conclusions following a study involving 3,485 people. The participants were asked to answer a telephone survey on their sleep quality and that of their immediate families. On three separate occasions in the 12 subsequent months, they filled out a mail-in questionnaire on the subject.

The data showed that 40% of respondents came from a family that had at least one member who is an insomniac. Most of them had one insomniac in the family (76%), but some had two (21%), or even three (3%). The risk of suffering from insomnia increased according to the number of family members with insomnia, i.e., 37%, 250%, and 314% for one, two, or three family members with insomnia, respectively.

"There is very probably a genetic factor behind the family aggregation we observed," said Charles M. Morin. "However, we don't know if the mechanism is a physiological process that interferes with sleep or a predisposition to anxiety." Certain attitudes about insomnia conveyed by family members could also be involved, the researcher added. "When we see a member of our family react strongly to an episode of insomnia, we may have the same reaction when faced with the problem ourselves. This type of behavior can transform situational insomnia into a chronic condition," he noted.

"Our study's results suggest that early psychological treatment could benefit people from families with chronic insomnia sufferers," concluded Dr. Morin.

Apart from Charles M. Morin, the co-authors of the study are Mélanie LeBlanc, Hans Ivers, Josée Savard, Lynda Bélanger, and Chantal Mérette.


Story Source:

The above story is based on materials provided by Université Laval. Note: Materials may be edited for content and length.


Cite This Page:

Université Laval. "Risk of suffering from insomnia higher if family member is insomniac." ScienceDaily. ScienceDaily, 14 September 2011. <www.sciencedaily.com/releases/2011/09/110912095133.htm>.
Université Laval. (2011, September 14). Risk of suffering from insomnia higher if family member is insomniac. ScienceDaily. Retrieved December 20, 2014 from www.sciencedaily.com/releases/2011/09/110912095133.htm
Université Laval. "Risk of suffering from insomnia higher if family member is insomniac." ScienceDaily. www.sciencedaily.com/releases/2011/09/110912095133.htm (accessed December 20, 2014).

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