Molly Berg, «UGA Study Links Declining Fitness, Sleep Complaints,» University of Georgia press release, October 6, 2014, .
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«Study: Physical Activity Impacts Overall Quality of Sleep,» Oregon State University News & Research Communications press release, November 22, 2011, .
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«Yoga, Running, Weight Lifting, and Gardening: Penn Study Maps the Types of Physical Activity Associated with Better Sleep Habits,» Penn Medicine press release, June 4, 2015, .
