Recovering Sleep After Trauma

Inclusion Criteria: 1. Alert and oriented at time of screening 2. Written and spoken English 3. Age 18-65 4. Presents to the ED within 72 hours of MVC 5. Discharged home after ED evaluation 6. Has an email and mailing address 7. Owns a smartphone compatible with iOS or Android, has not experienced service interruption due to non-payment in the past year, and has maintained the same phone number for at least one year 8. Meets PTSD risk score criteria (score of ≥ 16 on the PTSD risk stratification tool) 9. Willing to participate in four remote therapy sessions Exclusion Criteria: 1. Age \<18 or \>65 2. Pregnant 3. Prisoner or in police custody 4. Present to ED \>72 hours after trauma 5. Admitted to the hospital after ED evaluation 6. Severely injured (e.g., severely broken bones) as a result of the MVC that, in the opinion of the investigator, may impact PTSD trajectories 7. Had a change in psychiatric medication or psychotherapy regimen within 1 month of enrollment 8. Currently receiving or planning to receive evidence-based treatments that directly target insomnia or PTSD (e.g., CBT-I, Cognitive Processing Therapy, or Prolonged Exposure Therapy) 9. MVC was self-inflicted or occupation-related 10. Report or indicate that they are experiencing ongoing domestic violence 11. Has conditions that may be associated with comorbid insomnia, including a lifetime history of any psychiatric disorder with psychotic features, manic or hypomanic episodes. We will not exclude individuals based on any other mental health condition, including depression