American Academy of Sleep Medicine

Study suggests that inflammation may be the link between extreme sleep durations and poor health

Published in Obesity and Diabetes Week, February 16th, 2009

A study in the Feb. 1 issue of the journal SLEEP shows that sleep duration is associated with changes in the levels of specific cytokines that are important in regulating inflammation. The results suggest that inflammation may be the pathway linking extreme sleep durations to an increased risk for disease.

Each additional hour of self-reported sleep duration was associated with an eight-percent increase in C-reactive protein (CRP) levels and a seven-percent increase in interleukin-6 (IL-6), which are two inflammatory mediators. In contrast, each hour of reduction in sleep measured objectively by polysomnography was associated with an eight-percent increase in tumor...

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Source: Obesity and Diabetes Week (2009-02-16)

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