"You're Missing Out on Something Great": Patient and Provider Perspectives on Increasing the Use of Cognitive Behavioral Therapy for Insomnia.

: Cognitive behavioral therapy for insomnia (CBT-I) is the most effective treatment for insomnia but is severely underutilized. One of the key reasons for underuse is lack of knowledge among patients and primary care providers, but effective methods and materials for increasing knowledge are unknown. This study conducted in-depth interviews with CBT-I patients and their CBT-I providers to explore their perceptions on increasing utilization of CBT-I.