ct-dx-sleep_002 Screening/Assessment Tool Developmental Period Administration Length Notes Free Insomnia Severity Index Adult Self-report 7 items ✓ Epworth Sleepiness Scale Adult Self-report 8 items Requires license to use, whether or not license fees are payable Consensus Sleep Diary Adult Self-report 9 items ✓ Structured Clinical Interview for DSM-5 Sleep Disorders - Revised (SCISD-R) Adult Clinician-rated 20–51 items, 10–20 minutes Related Practice Resources Treatment Algorithms Pediatric Insomnia Patient Education Health Behavior Guides: Improving Your Sleep Patient Education Disorder Guides: Insomnia