Cognitive Behavioral Therapy for Insomnia (CBTI) Download PDF, 617 KB, PDF Cognitive behavioural Therapy for Insomnia (CBTi) is a multi-component approach to treating sleep disturbance, focusing on sleep restriction therapy and stimulus control therapy. The poster aims to provide basic information on CBTi, including its application, components, and mode of delivery. [Please download the PDF file if you are unable to view the image below.]