AP11202

Science Summary

If you're a believer of the restorative theory of sleep (Wood, 112), you would agree that sleep is important to the restoration of body and mind. According to a study done by the Department of Medicine at the Perelman School of Medicine at the University of Pennsylvania, Philadelphia, obese adults who lose at least 5 percent of their body weight report that they sleep better and longer after six months of weight loss (Endocrine Society). The study involved 390 subjects being put into 3 separate programs. As stated in the article on Endocrine Society, "Subjects (311 women and 79 men) were randomly assigned to one of three programs that provided varying amounts of support to achieve the same diet and exercise goals". One program was based on "usual care" and the other two were primarily based on "lifestyle counseling". The results showed that lifestyle counseling was more effective with weight loss, mood and changes in sleep quality and duration. I believe that the weight loss also could have contributed to something that the subjects didn't know they had prior to the study. Sleep apnea (Wood, 116) is concurrently related to obesity (Matthew Campbell Barrett, Lecture). It is possible that many of the obese subjects entered the study with sleep apnea and, due to the weight loss and better diet, finished the study cured of it. Of course you would have to do more studies with this new information relating to the previous studies for there to be any validity.

References:
 * 1) Endocrine Society. "Sleep, mood improves after substantial weight loss." ScienceDaily. ScienceDaily, 24 June 2014. .
 * 2) Wood, Samuel E., Ellen R. Green. Wood, and Denise Roberts. Boyd. //Mastering the World of Psychology//. Fourth ed. Boston: Pearson/Allyn and Bacon, 2011. Print.
 * 3) Matthew Campbell Barrett, PSY 2012

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