01Pigeon WR, Campbell CE, Possemato K, Ouimette P. Longitudinal relationships of insomnia, nightmares, and PTSD severity in recent combat veterans. Journal of Psychosomatic Research 2013;75:546–50. PMID 24290044.
02Don Richardson J, King L, St Cyr K, Shnaider P, Roth ML, Ketcheson F, Balderson K, Elhai JD. Depression and the relationship between sleep disturbances, nightmares, and suicidal ideation in treatment-seeking Canadian Armed Forces members and veterans. BMC Psychiatry 2018;18:204. PMID 29921268.
03Pruiksma KE, Slavish DC, Taylor DJ, Dietch JR, Tyler H, Dolan M, Bryan AO, Bryan CJ. Nightmares and insomnia in the US National Guard: mental and physical health correlates. International Journal of Behavioral Medicine 2021;28:238–249. PMID 32495239.
04Leighton SC, Rodriguez KE, Jensen CL, MacLean EL, Davis LW, Ashbeck EL, Bedrick EJ, O’Haire ME. Service dogs for veterans and military members with posttraumatic stress disorder: a nonrandomized controlled trial. JAMA Network Open 2024;7:e2414686. doi:10.1001/jamanetworkopen.2024.14686. PMID 38833250.
05Margolies SO, Rybarczyk B, Vrana SR, Leszczyszyn DJ, Lynch J. Efficacy of a cognitive-behavioral treatment for insomnia and nightmares in Afghanistan and Iraq veterans with PTSD. Journal of Clinical Psychology 2013;69:1026–42. PMID 23629959.
06Rodriguez KE, LaFollette MR, Hediger K, Ogata N, O’Haire ME. Defining the PTSD service dog intervention: perceived importance, usage, and symptom specificity of psychiatric service dogs for military veterans. Frontiers in Psychology 2020;11. PMID 32849004.
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08Bristol S, Leighton SC, Schwichtenberg AJ, Campbell RL, Ashbeck EL, Taylor DJ, Bedrick EJ, O’Haire ME. The influence of service dog partnerships on perceived and objective sleep quality for military veterans with PTSD. Frontiers in Sleep 2024. doi:10.3389/frsle.2024.1432919.
15U.S. Department of Veterans Affairs, National Center for PTSD. How Common is PTSD in Veterans? Lifetime PTSD 29% among OIF/OEF veterans; 7% among all veterans; 6% general population.
16Substance Abuse and Mental Health Services Administration, Disaster Technical Assistance Center. First Responders: Behavioral Health Concerns, Emergency Response, and Trauma. Supplemental Research Bulletin, May 2018. An estimated 30% of first responders develop behavioral health conditions including depression and PTSD, versus 20% in the general population.
17Carleton RN, Afifi TO, Turner S, Taillieu T, et al. Mental disorder symptoms among public safety personnel in Canada. Canadian Journal of Psychiatry 2018. PMID 28845686. n = 5,813; 15.1% screened positive for one disorder and 26.7% for more than one.
18Zamorski MA, Bennett RE, Rusu C, Weeks M. Prevalence of past-year mental disorders in the Canadian Armed Forces, 2002–2013. Canadian Journal of Psychiatry 2016. PMID 27270739. Past-year PTSD 5.3% in 2013; adjusted odds ratio 2.1 versus 2002.
19Medina-Mora ME, Genis-Mendoza AD, Villatoro Velázquez JA, Bustos-Gamiño M, et al. The prevalence of symptomatology and risk factors in mental health in Mexico: the 2016–17 ENCODAT cohort. International Journal of Environmental Research and Public Health 2023. PMID 36833803. n = 56,877; post-traumatic stress symptoms 5.7%.
20Meza Peña C, Bravo-Garza AP, Loredo-Villa MA. Después del enfrentamiento: estrés en policías de zona rural del noreste de México. URVIO, Revista Latinoamericana de Estudios de Seguridad 2025. doi:10.17141/urvio.43.2025.6460. n = 112 police and civil-protection personnel, rural Nuevo León; stress, anxiety, depression and burnout measured with the DASS.