From construction laborers and secretaries to physicians and lawyers, people experience better moods, greater vitality, and fewer aches and pains from Friday evening to Sunday afternoon, concludes the first study of daily mood variation in employed adults to be published in the January 2010 issue of the Journal of Social and Clinical Psychology. And that ‘weekend effect’ is largely associated with the freedom to choose one’s activities and the opportunity to spend time with loved ones, the research found.

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