The better educated a woman is, the better she sleeps at night

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Women have higher rates of insomnia than men, but the better educated a woman is, the more likely she is to sleep through the night.

Conversely, the better educated a man is, the less likely he is to get a good night's sleep, finds a large study in the Journal of Epidemiology and Community Health.

The findings are based on a nationally representative Taiwanese survey on social trends, involving nearly 40,000 people age 15 and older. Questions included marital status, employment/occupation, educational attainment, and household income, as well as the number of family members under the age of 15. Insomnia was assessed using criteria developed by the World Health Organization, and scored on a scale of 1 to 5 (Can social factors explain sex differences in insomnia? Findings from a National Survey in Taiwan. J Epidemiol Community Health, 2005;59:488-94).

"Overall, insomnia tended to be more common among those who were older, divorced/separated, had low educational attainment, poor health, or low income. Children living at home also increased the rates of insomnia," reported Ying-Yeh Chen, of the Taipei City Psychiatric Center and the Harvard School of Public Health, and colleagues at Harvard and the National Taiwan University.

The findings applied to both sexes, but rates of insomnia were still significantly higher among women, who averaged 1.22 more points on the insomnia scale than men.

Sex differences in insomnia score were most noticeable for divorced/separated women. The stress associated with single parenthood, loss of income, or the stigma of a marriage breakdown could all be possible factors, suggest the authors.

Unemployment also exerted a greater impact on women's sleep quality, particularly married women. Sex discrimination in the workplace and childcare responsibilities might account for this, suggest Chen and coauthors.

And whereas higher educational attainment improved women's night time sleep quality, it had the opposite effect on men, they report.

Globally, women are up to twice as likely to be insomniac as men, say the authors, adding that social factors undoubtedly play their part, but do not fully explain these differences. This article was prepared by Women's Health Weekly editors from staff and other reports. Copyright 2005, Women's Health Weekly via NewsRx.com.

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