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    Posts tagged "disturbance"

    Tuesday, Sep 1st, 2009 ↓

    Workplace Bullying Is Associated With Sleep Disturbances →

    Sept 1, 2009 (Sciencedaily.com)—A study in the Sept.1 issue of the journal SLEEP shows that current or past exposure to workplace bullying is associated with increased sleep disturbances. Associations also were found between observed bullying and sleep disruption, indicating that bullying has detrimental effects even when it is experienced indirectly.

    The study shows a high prevalence of workplace bullying, with 11 percent of women and nine percent of men experiencing “hostile behavior” in the work environment at least weekly and for at least six months during the previous 12 months. After adjustment for covariates such as age, occupation, weekly work hours and depressive symptoms, exposure to bullying was significantly associated with self-reported sleep disturbances. The adjusted odds ratio of having disturbed sleep was more than two times higher in men who currently were experiencing workplace bullying (OR=2.29) or had been exposed to daily or almost daily bullying (OR=2.39); women were nearly two times more likely to report having sleep disturbances if they had experienced daily or almost daily bullying (OR=1.73) or had been exposed to bullying for more than five years (OR=1.87).

    Thirty-two percent of women and 31 percent of men also reported that they had observed bullying in the workplace in the previous 12 months. The adjusted odds ratio of having disturbed sleep was 60 percent higher in men and twenty percent higher in women who only observed bullying, and it was more than two times higher in men (OR=2.38) and nearly two times higher in women (OR=1.81) who both observed and experienced bullying. .

    Principal investigator Isabelle Niedhammer, PhD, epidemiologist and researcher at the UCD School of Public Health & Population Science at the University College Dublin in Ireland, said that exposure to any form of violence or harassment at the workplace may strongly increase the risk of having sleep disturbances.

    “Workplace bullying may be considered as one of the leading job stressors and would be a major cause of suicide and other health-related issues,” said Niedhammer. “Our study underlines the need to better understand and prevent occupational risk factors, such as bullying, for sleep disorders.”

    For full article, see link above.

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    Tags: workplace job work stress bullying bully sleep disturbance disorder suicide prevention risk violence harassment behaviour hostile
    Sunday, Aug 2nd, 2009 ↓

    Poor Sleep In Children May Have Prenatal Origins →

    August 2, 2009 (Sciencedaily.com)—A new study found that alcohol consumption during pregnancy and small body size at birth predict poorer sleep and higher risk of sleep disturbances in 8-year-old children born at term. Findings are clinically significant, as poor sleep and sleep disturbances in children are associated with obesity, depressive symptoms, attention deficit hyperactivity disorder, and poor neurobehavioral functioning.

    Results indicate that children exposed prenatally to alcohol were 2.5 times more likely to have a short sleep duration of 7.7 hours or less and 3.6 times more likely to have a low sleep efficiency of 77.2 percent or less across all nights, independent of body size at birth and current maternal alcohol use. Smaller body size at birth also was associated with poorer sleep and with a higher risk for clinically significant sleep disturbances among children born at term. More specifically, lower weight and shorter length at birth were associated with lower sleep efficiency, and a lower ponderal index (an indicator of fetal growth status) was associated with the presence of sleep disturbances. In addition, children with short sleep duration were more likely to have been born via Caesarean section than were children sleeping longer (23.1 percent versus 8.4 percent respectively).

    According to principal investigator Katri Räikkönen, PhD, in the department of psychology at the University of Helsinki, Finland, even low levels of weekly prenatal exposure to alcohol have adverse effects on sleep quantity and quality during childhood.

    “The results were in accordance with the fetal origins of health and disease hypothesis and the many studies that have shown that adverse fetal environment may have lifelong influences on health and behavior,” said Räikkönen. “However, this is among the few studies that have reported associations between birth variables and sleep quality and quantity among an otherwise healthy population of children.”

    For full article see link above.

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    Tags: poor sleep disturbance alcohol childen chil infant pregancy weight prenatal caesarean risk behaviour