"Sleep disorders appear to be a global epidemic, affecting up to 45% of the world's population" (Noor, et al np). This leaves 55% of the world's population unaffected. More than 70 million people in our country suffer from sleep disorders, most of whom are unaware of the impact on their daily lives (Wells, Vaughn 234). Since a large portion of people are unaware of the impact of sleep disorders, their number is continuously increasing. The main sleep disorders are known to be rapid eye movements (REM), insomnia and obstructive sleep apnea (OSA). There are more than 80 medically recognized sleep disorders, with insomnia, sleep apnea, snoring, jet lag, shift work, sleepwalking, and restless legs syndrome being among the most common (Wells, Vaughn 234). "Poor sleep in the general population has been shown to have a significant impact on daily functions, including considerable daytime cognitive dysfunction, decreased ability to perform daily tasks, decreased sense of achievement and achievement, depressed mood, and decreased enjoyment of interpersonal relationships” ( Andrews, Fort np 500). Sleep disorders affect a large part of society, leading people to have a daily lifestyle characterized by sleepiness, stress and low productivity; treatment has increased as more people become aware of sleep disorders. Many people in the United States view poor sleep as an individual choice rather than an affliction. The number of sleep disorders present today is exaggerated. “Insomnia affects 10 to 15% of the general population and is the most common sleep problem” (Wells et al 235). With the statistic: 45% of the world population is affected by sleep disorders (Noor, et al np). It's eye-opening to know that 15% of the 45% are impaired by Insomni...... middle of article ...... in 2014. Schoenfeld, Frank B., Jason C. Deviva, and Rachel Manber. “Treatment of sleep disturbances in post-traumatic stress disorder: a review.” Journal of Rehabilitation Research and Development 49.6 (2012): 729-752. Premier Academic Research. Internet. May 4, 2014. Taub, Leslie-Faith M. “Making the Diagnosis: Idiopathic Rapid Eye Movement Sleep Behavior Disorder.” Journal of the American Academy of Nurse Practitioners22.7 (2010): 346-351. Premier Academic Research. Internet. May 18, 2014. Volgin, Denys V., et al. "Time- and behavioral state-dependent changes in posterior hypothalamic GABAA receptors contribute to sleep regulation." Plos ONE 9.1 (2014): 1-16. Premier Academic Research. Internet. May 4, 2014. Wells, Mary Ellen and Bradley V. Vaughn. “Poor sleep challenges the health of a nation.” Journal of Neurodiagnostics 52.3 (2012): 233-249. Premier Academic Research. Internet. May 18 2014.