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The quality of sleep affects your physiology in many ways. As posted on ScienceDaily, people with chronic stress report shorter sleep duration, worse sleep quality, and more daytime functioning impairments, according to new research. Conversely, daytime functioning impairments and shorter sleep duration demonstrated a predictive relationship with habitual stress complaints.
Results indicate that poor sleep may be a potential cause of stress; individuals who report more fatigue and less total sleep are more likely to report more stress.
According to principal investigator Eric Powell, PhD, director of research at the Research Center at Clayton Sleep Institute in St. Louis, Mo., factors that were the best predictors of high stress were daytime functioning and typical amount of sleep.
"The simplest, and likely best advice for individuals with high stress and poor sleep is to look at some of the lifestyle choices they are making and ensuring sufficient sleep is at the core of those choices," said Powell.
The study involved data from 544 patients at the Midwestern metropolitan sleep center who received diagnostic polysomnograms. Participants ranged in age from 18 to 79 years, were not shift workers, and had no prior sleep disorder diagnosis. Subjects completed a brief estimate of their state and trait stress, and sleepiness was assessed subjectively; individuals were divided into low and high-trait stress groups.
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