Clinical Research Directory

Inclusion Criteria: • Participants will meet the diagnostic criteria for Insomnia Disorder according to Diagnostic and Statistical Manual of Mental Disorders (DSM-5). In addition, the complaint of disturbed sleep will meet the following criteria: * ≥ 30 minutes to fall asleep (SL) and/or ≥ 2 awakenings per night of ≥ 15 minutes duration and/or wake after sleep onset (WASO) time of ≥ 30 minutes where total sleep time (TST) did not exceed 6 hours (unless sleep efficiency \[SE\] is ≤ 80%). * The problem is present for \> 3 nights per week. * The problem duration exceeds ≥ 6 months. * The complaint of impaired daytime function must include, although not limited to, the report of daytime fatigue, sleepiness, or both. * Preferred regular sleep phase between 10:00 PM and 8:00 AM * Must garner physician's assent from their primary care clinician Exclusion Criteria: * Use of medication expressly for the purpose of falling or staying asleep (e.g., trazodone/ desyrel, melatonin, Tylenol PM, Nyquil, Benadryl). * Night shift work * Compromised renal function * Major Coronary Artery Disease and/or uncontrolled (with meds) Hypertension * Planning to become pregnant, pregnant, and/or breastfeeding * Unstable medical or psychiatric illness * Symptoms suggestive of sleep disorders other than insomnia * Polysomnographic data indicating sleep disorders other than insomnia * Evidence of active illicit substance use, abuse, or dependence * Use of CNS active medications that are for treatment of insomnia or are thought to have caused insomnia as a side effect * Inadequate language comprehension * Current or past experience with CBT-I * No access to the computers, I-Pads, or the internet