Source :
https://journals.iupui.edu/index.php/IMPRS/article/view/24800Emily Wilson Indiana University School of Medicine Aaron Roberts Parkview Physicians Group - Sleep Medicine Background and Hypothesis: Up to 30% of the adult population may suffer from insomnia symptoms. Insomnia not only diminishes the individual's quality of life, but also has a broad financial impact, costing the United States over $100 billion per year.