0675 Vagal Activity in REM Sleep Is Associated With Extinction Recall in Trauma Exposed Individuals but Not in Individuals With Post-Traumatic Stress Disorder-V45IS1 0675 Vagal Activity in REM Sleep Is Associated With Extinction Recall in Trauma Exposed Individuals but Not in Individuals With Post-Traumatic Stress Disorder-V45IS1 Download 0674 CPAP Adherence and Response to Cognitive Processing Therapy for PTSD in Veterans with Obstructive Sleep Apnea-V45IS1 0676 Increased Depression Symptoms are Associated with Higher Nightmare Frequency within the Wisconsin Sleep Cohort-V45IS1