Cognitive behavioral therapy (CBT) is an effective treatment of insomnia disorder. CBT has traditionally been delivered by a therapist in a clinic; however, the ubiquitous nature of the Internet and increasing penetration of mobile devices offers new possibilities. Moreover, there are limitations to face-to-face therapy, particularly in relation to between-session home implementation. This article, therefore, presents the opportunity afforded by technological development, not only to meet the need and demand for CBT but also to improve insomnia care both at the level of the individual patient and at population level. © 2013 Elsevier Inc.