CBT-I vs. MBTI for Traumatic Brain Injury (TBI)-Related Insomnia and Post-Traumatic Stress Symptoms

Who May Qualify: 1. Current or former member of the uniform services 2. Meet the Veterans Affairs Medical Center (VAMC) Department of Defense (DoD) criteria for TBI; 3. Time duration since traumatic brain injury (TBI) injury \>90 days 4. Insomnia symptom duration \>90 days 5. Endorse insomnia symptoms (Insomnia Severity Index \[ISI\] score \> 10) 6. Display sufficient cognitive capacity to provide willing to sign a consent form (Montreal Cognitive Assessment (MoCA) Z-score \> -2) 7. \>18 years of age 8. Access to and ability and to use computer. Who Should NOT Join This Trial: 1. History of neurological diseases other than TBI and not attributable to TBI 2. Sleep apnea \[apnea hypopnea index (AHI) \>15; individuals with mild apnea (AHI \> 5 and \<15) will be informed, but allowed to participate\]. Participants who use a continuous positive airway pressure (CPAP) device for sleep apnea will be eligible for participation if they are below the apnea/hypopnea cutoff while using CPAP, are adherent to using the device (\> 4 hours/night 21/30 consecutive days) and agree to continue using the device during study participation. 3. Lastly, people using psychotropic medications may be included if they are on a stable dosage for the last three weeks prior to the study. Always talk to your doctor about whether this trial is right for you.