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"Longitudinal Evaluation of Sleep-Disordered Breathing and Sleep Symptoms with Change in Quality of Life: The Sleep Heart Health Study (SHHS)”

August 1, 2009



Longitudinal Evaluation of Sleep-Disordered Breathing and Sleep Symptoms with Change in Quality of Life: The Sleep Heart Health Study (SHHS)

This study in the Aug. 1 issue of the journal SLEEP indicates that self-reported worsening in initiating and maintaining sleep over a five-year period was significantly associated with poorer mental quality of life, and increasing daytime sleepiness symptoms were associated with both poorer physical and mental quality of life.

According to lead author Graciela E. Silva, PhD, assistant professor in the College of Nursing and Health Innovation at Arizona State University, the results provide important and surprising insights regarding the relationship between sleep and quality of life.

“While we were expecting an association between quality of sleep and quality of life, it
was surprising that we did not find a significant association between objective measures of quality of sleep and quality of life, but that only subjective measures of sleep were associated with quality of life,” said Silva. “These findings signal to the importance of perception of quality of sleep on quality of life.”

Findings suggest that physical limitations imposed by the presence of obesity, coronary heart disease and respiratory disease adversely impact physical components of quality of life. The authors state that primary treatment to reduce morbidity and symptoms related to these conditions would ultimately improve sleep quality.
 

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