Insomnia affects anywhere from six percent to 33% of the U.S. population depending on the precision of the definition being used. Therefore, represents one of the most prevalent health concerns for Americans. Individuals with insomnia frequently report problems such as (but not limited to) difficulty focusing and concentrating, memory difficulties, impaired motor coordination, irritability and impaired social interactions. Moreover, chronic insomnia has also been associated with reduced quality of life, higher absenteeism, impaired job performance, and higher healthcare utilization.