insomnia is the most common sleep problem in the general population, with chronic insomnia being most prevalent in older adults (foley et al., 1995;lichstein, durrence, riedel, Taylor, & Bush, 2004;morphy, dunn, lewis, Boardman, & croft, 2007; ohayon, 2002). Insomnia is defined as a complaint of difficulty falling asleep, difficulty staying asleep, early morning awakenings, and/or nonrestorative sleep, which results in daytime consequences (Diagnostic and Statistical Manual of Mental Disorders, 4th ed., text revision; DSM-IV-TR; american Psychiatric association, 2000). Particularly in older adults, consequences of insomnia can include increased risk for the onset of depression and anxiety, substance abuse, cognitive decline, falls, and reduced quality of life (