The American Academy of Sleep Medicine takes insomnia so seriously that it has designated an Insomnia Awareness Day. According to their researchers, 30 to 35 percent of U.S. adults have at least brief bouts of sleeplessness. Around 10 percent have a chronic disorder. Left untreated, insomnia is more than a mere annoyance. In 2011, CNN reported that insomnia-related sick days and poor job performance drain $63 billion from the economy every year.