Sleep therapy may protect hearts of PTSD patients

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Is between 40-59 years old; * Has a current diagnosis of chronic PTSD (at least 3 months duration) based on the Clinician Administered PTSD Scale DSM-5 version (Weathers et al., 2013); * Has a current diagnosis of ID as defined in the International Classification of Sleep Disorders (ICSD-3; American Academy of Sleep Medicine, 2014) Exclusion Criteria: * Has a history of CVD events, including myocardial infarction, stroke, transient ischemic attack, or coronary revascularization; * Has diagnosis of congestive heart failure or coronary artery disease based on results of diagnostic testing; * Has a current alcohol use or substance use disorder (those who meet lifetime but not current alcohol or substance use disorder will be included); * Is currently participating in or has recently (past 6 months) participated in an evidence-based trauma focused therapy for PTSD; * Has cognitive impairment as evidenced by less than 20 on the Montreal Cognitive Assessment scale (M0CA; Nasreddine et al., 2005); * Meets criteria for a psychotic spectrum disorder or bipolar disorder; * Has severely impaired hearing or speech; * Is pregnant; * Does not use benzodiazepines for sleep, and if prescribed benzodiazepines for some other use (e.g., anxiety, panic attacks), uses them fewer than four times in a one month period.; * Is not stable (medications and dose stable for one month) on any other current psychoactive and/or cardiovascular medications or will not be stable on these medications during the course of the study; * Works night shift; * Is participating in another interventional study to address insomnia; * Has prominent suicidal or homicidal ideation (as assessed through a clinical interview); * Has a serious/terminal illness or other health problem that would prohibit participation in the study; * Has nonclinically significant or sub-threshold insomnia as indicated by a score of \<8 on the Insomnia Severity Index; * Has seizures (based on clinical interview and self-report); * Has a body mass index of 45 or greater; * Has sleep apnea (based on the overnight assessment described below) or a positive sleep apnea screen; * Has restless leg syndrome (based on the Duke Structured Interview for Sleep Disorders (DSISD); Edinger, Wyatt, \& Olsen, 2009), and that sleep disorder is the primary cause of their sleep complaint (participants with restless legs syndrome who also have insomnia disorder can be included in the study); * Has an organic cause of sleep disruption that cannot be addressed by cognitive-behavioral changes (e.g., hyperthyroidism), as determined by the DSISD; * Has excessive daytime sleepiness, defined as a score \>15 on the Epworth Sleepiness Scale (ESS) or as determined by the DSISD; * Does not complete sleep diary assessments within 6 hours of rising on at least 5 of the 7 days of the initial assessment period; or * Cancels or no-shows for two or more Time 1 assessment appointments * Has uncontrolled hypertension (screening office BP \> 160/100 mm Hg)