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Basic Research Article

Sleep and day-to-day PTSD symptom variability: an ecological momentary assessment and actigraphy monitored study in trauma-exposed young adults

Sueño y variabilidad diaria de los síntomas del TEPT: Evaluación ecológica momentánea y estudio monitorizado por actigrafía en adultos jóvenes expuestos a trauma

睡眠和日常 PTSD 症状变异性:一项针对创伤暴露年轻人的生态瞬时评估和活动记录监测研究

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Article: 2202058 | Received 30 Oct 2022, Accepted 27 Mar 2023, Published online: 25 Apr 2023

References

  • American Academy of Sleep Medicine. (2005). The international classification of sleep disorders: Diagnostic and coding manual (2nd ed.). American Academy of Sleep Medicine. https://doi.org/10.1007/978-1-4939-6578-6_27
  • American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (DSM-5®) (5th ed.). American Psychiatric Publishing.
  • Arditte Hall, K. A., Werner, K. B., Griffin, M. G., & Galovski, T. E. (2023). Exploring predictors of sleep state misperception in women with posttraumatic stress disorder. Behavioral Sleep Medicine, 21(1), 22–32. https://doi.org/10.1080/15402002.2021.2024193
  • Azza, Y., Wilhelm, I., & Kleim, B. (2020). Sleep early after trauma: A target for prevention and early intervention for posttraumatic stress disorder? European Psychologist, 25(4), 239. https://doi.org/10.1027/1016-9040/a000401
  • Baglioni, C., Regen, W., Teghen, A., Spiegelhalder, K., Feige, B., Nissen, C., & Riemann, D. (2014). Sleep changes in the disorder of insomnia: A meta-analysis of polysomnographic studies. Sleep Medicine Reviews, 18(3), 195–213. https://doi.org/10.1016/j.smrv.2013.04.001
  • Banerjee, A., Chitnis, U., Jadhav, S., Bhawalkar, J., & Chaudhury, S. (2009). Hypothesis testing, type I and type II errors. Industrial Psychiatry Journal, 18(2), 127. https://doi.org/10.4103/0972-6748.62274
  • Bastien, C. H., Vallières, A., & Morin, C. M. (2001). Validation of the Insomnia Severity Index as an outcome measure for insomnia research. Sleep Medicine, 2(4), 297–307. https://doi.org/10.1016/S1389-9457(00)00065-4
  • Biggs, Q. M., Ursano, R. J., Wang, J., Krantz, D. S., Carr, R. B., Wynn, G. H., Adams, D. P., Dacuyan, N. M., & Fullerton, C. S. (2019). Daily variation in post traumatic stress symptoms in individuals with and without probable post traumatic stress disorder. BMC Psychiatry, 19(1), 56. https://doi.org/10.1186/s12888-019-2041-7
  • Biggs, Q. M., Ursano, R. J., Wang, J., Wynn, G. H., Carr, R. B., & Fullerton, C. S. (2020). Post traumatic stress symptom variation associated with sleep characteristics. BMC Psychiatry, 20(1), 1–10. https://doi.org/10.1186/s12888-020-02550-y
  • Blanco, C., Hoertel, N., Wall, M. M., Franco, S., Peyre, H., Neria, Y., Helpman, L., & Limosin, F. (2018). Toward understanding sex differences in the prevalence of posttraumatic stress disorder: Results from the national epidemiologic survey on alcohol and related conditions. The Journal of Clinical Psychiatry, 79(2), 19420. https://doi.org/10.4088/JCP.16m11364
  • Brooks, M. E., Kristensen, K., van Benthem, K. J., Magnusson, A., Berg, C. W., Nielsen, A., Skaug, H., Mächler, M., & Bolker, B. (2017). glmmTMB balances speed and flexibility Among packages for zero-inflated generalized linear mixed modeling. The R Journal, 9(2), 378–400. https://doi.org/10.32614/RJ-2017-066
  • Brown, V. A. (2021). An introduction to linear mixed-effects modeling in R. Advances in Methods and Practices in Psychological Science, 4(1), 2515245920960351. https://doi.org/10.1177/2515245920960351
  • Buckner, J. D., Jeffries, E. R., Crosby, R. D., Zvolensky, M. J., Cavanaugh, C. E., & Wonderlich, S. A. (2018). The impact of PTSD clusters on cannabis use in a racially diverse trauma-exposed sample: An analysis from ecological momentary assessment. The American Journal of Drug and Alcohol Abuse, 44(5), 532–542. https://doi.org/10.1080/00952990.2018.1430149
  • Buysse, D. J., Reynolds IIIC. F., Monk, T. H., Berman, S. R., & Kupfer, D. J. (1989). The Pittsburgh Sleep Quality Index: A new instrument for psychiatric practice and research. Psychiatry Research, 28(2), 193–213. https://doi.org/10.1016/0165-1781(89)90047-4
  • Cao, C., Wang, L., Fang, R., Liu, P., Bi, Y., Luo, S., Grace, E., & Olff, M. (2022). Anxiety, depression, and PTSD symptoms among high school students in China in response to the COVID-19 pandemic and lockdown. Journal of Affective Disorders, 296, 126–129. https://doi.org/10.1016/j.jad.2021.09.052
  • Carlson, G. C., Kelly, M. R., Mitchell, M., Josephson, K. R., McGowan, S. K., Culver, N. C., Kay, M., Alessi, C. A., Fung, C. H., Washington, D. L., Hamilton, A., Yano, E. M., & Martin, J. L. (2022). Benefits of cognitive behavioral therapy for insomnia for women veterans with and without probable post-traumatic stress disorder. Women’s Health Issues, 32(2), 194–202. https://doi.org/10.1016/j.whi.2021.10.007
  • Carney, C. E., Buysse, D. J., Ancoli-Israel, S., Edinger, J. D., Krystal, A. D., Lichstein, K. L., & Morin, C. M. (2012). The consensus sleep diary: Standardizing prospective sleep self-monitoring. Sleep, 35(2), 287–302. https://doi.org/10.5665/sleep.1642
  • Cox, R. C., & Olatunji, B. O. (2020). Sleep in the anxiety-related disorders: A meta-analysis of subjective and objective research. Sleep Medicine Reviews, 51, 101282. https://doi.org/10.1016/j.smrv.2020.101282
  • Davidson, P., & Marcusson-Clavertz, D. (2023). The effect of sleep on intrusive memories in daily life: A meta-analysis of trauma film experiments. Sleep, 46(2), zsac280. https://doi.org/10.1093/sleep/zsac280
  • DeViva, J. C., Rosen, M. I., Cooney, N. L., & Black, A. C. (2020). Ecological momentary assessment of sleep and PTSD symptoms in a veteran sample. Psychological Trauma: Theory, Research, Practice, Policy, 12(2), 186. https://doi.org/10.1037/tra0000494
  • Dietch, J. R., Ruggero, C. J., Schuler, K., Taylor, D. J., Luft, B. J., & Kotov, R. (2019). Posttraumatic stress disorder symptoms and sleep in the daily lives of World Trade Center responders. Journal of Occupational Health Psychology, 24(6), 689. https://doi.org/10.1037/ocp0000158
  • Dornbach-Bender, A., Ruggero, C. J., Smith, P., Schuler, K., Bennett, C. B., Neumann, C. S., & Callahan, J. L. (2020). Association of behavioral activation system sensitivity to lower level facets of positive affect in daily life. Personality and Individual Differences, 152, 109570. https://doi.org/10.1016/j.paid.2019.109570
  • Felmingham, K., Williams, L. M., Kemp, A. H., Liddell, B., Falconer, E., Peduto, A., & Bryant, R. (2010). Neural responses to masked fear faces: Sex differences and trauma exposure in posttraumatic stress disorder. Journal of Abnormal Psychology, 119(1), 241. https://doi.org/10.1037/a0017551
  • Germain, A. (2013). Sleep disturbances as the hallmark of PTSD: Where are we now? American Journal of Psychiatry, 170(4), 372–382. https://doi.org/10.1176/appi.ajp.2012.12040432
  • Germain, A., Buysse, D. J., & Nofzinger, E. (2008). Sleep-specific mechanisms underlying posttraumatic stress disorder: Integrative review and neurobiological hypotheses. Sleep Medicine Reviews, 12(3), 185–195. https://doi.org/10.1016/j.smrv.2007.09.003
  • Gibson, C. J., Richards, A., Villanueva, C., Barrientos, M., Neylan, T. C., & Inslicht, S. S. (2017). Subjective sleep related to post traumatic stress disorder symptoms among trauma-exposed men and women. Behavioral Sleep Medicine, 17(4), 492–501. https://doi.org/10.1080/15402002.2017.1409223
  • Graham, B. M. (2022). The impact of hormonal contraceptives on anxiety treatments: From preclinical models to clinical settings. Frontiers in Neuroendocrinology, 67, 101030. https://doi.org/10.1016/j.yfrne.2022.101030
  • Grandner, M. A., Kripke, D. F., Yoon, I.-Y., & Youngstedt, S. D. (2006). Criterion validity of the Pittsburgh sleep quality index: Investigation in a non-clinical sample. Sleep and Biological Rhythms, 4(2), 129–136. https://doi.org/10.1111/j.1479-8425.2006.00207.x
  • Greene, T. (2021). The dynamic interactions of PTSD symptoms in daily life. European Journal of Psychotraumatology, 12(sup1), 1866413. https://doi.org/10.1080/20008198.2020.1866413
  • Gutner, C. A., Casement, M. D., Gilbert, K. S., & Resick, P. A. (2013). Change in sleep symptoms across cognitive processing therapy and prolonged exposure: A longitudinal perspective. Behaviour Research Therapy, 51(12), 817–822. https://doi.org/10.1016/j.brat.2013.09.008
  • Harvey, A. G., Jones, C., & Schmidt, D. A. (2003). Sleep and posttraumatic stress disorder: A review. Clinical Psychology Review, 23(3), 377–407. https://doi.org/10.1016/s0272-7358(03)00032-1
  • Henry, J. D., & Crawford, J. R. (2005). The short-form version of the Depression Anxiety Stress Scales (DASS-21): Construct validity and normative data in a large non-clinical sample. British Journal of Clinical Psychology, 44(2), 227–239. https://doi.org/10.1348/014466505X29657
  • Hruska, B., & Barduhn, M. S. (2021). Dynamic psychosocial risk and protective factors associated with mental health in Emergency Medical Service (EMS) personnel. Journal of Affective Disorders, 282, 9–17. https://doi.org/10.1016/j.jad.2020.12.130
  • Hsu, C.-M. K., Ney, L. J., Honan, C., & Felmingham, K. L. (2021). Gonadal steroid hormones and emotional memory consolidation: A systematic review and meta-analysis. Neuroscience & Biobehavioral Reviews, 130, 529–542. https://doi.org/10.1016/j.neubiorev.2021.09.010
  • Jenkins, C. A., Tiley, L. C., Lay, I., Hartmann, J. A., Chan, J. K., & Nicholas, C. L. (2022). Comparing GENEActiv against actiwatch-2 over seven nights using a common sleep scoring algorithm and device-specific wake thresholds. Behavioral Sleep Medicine, 20(4), 369–379. https://doi.org/10.1080/15402002.2021.1924175
  • Kalaitzaki, A. E., Tsouvelas, G., Tamiolaki, A., & Konstantakopoulos, G. (2022). Post-traumatic stress symptoms during the first and second COVID-19 lockdown in Greece: Rates, risk, and protective factors. International Journal of Mental Health Nursing, 31(1), 153–166. https://doi.org/10.1111/inm.12945
  • Kartal, D., Arjmand, H.-A., Varker, T., Cowlishaw, S., O’Donnell, M., Phelps, A., Howard, A., Hopwood, M., McFarlane, A., Bryant, R. A., Forbes, D., Cooper, J., & Hinton, M. (2021). Cross-lagged relationships between insomnia and posttraumatic stress disorder in treatment-receiving veterans. Behavior Therapy, 52(4), 982–994. https://doi.org/10.1016/j.beth.2020.12.006
  • Kleim, B., Graham, B., Bryant, R. A., & Ehlers, A. (2013). Capturing intrusive re-experiencing in trauma survivors’ daily lives using ecological momentary assessment. Journal of Abnormal Psychology, 122(4), 998. https://doi.org/10.1037/a0034957
  • Kleiman, E. (2017). Understanding and analyzing multilevel data from real-time monitoring studies: An easily- accessible tutorial using R. https://doi.org/10.31234/osf.io/xf2pw
  • Kobayashi, I., Boarts, J. M., & Delahanty, D. L. (2007). Polysomnographically measured sleep abnormalities in PTSD: A meta-analytic review. Psychophysiology, 44(4), 660–669. https://doi.org/10.1111/j.1469-8986.2007.537.x
  • Kobayashi, I., & Delahanty, D. L. (2013). Gender differences in subjective sleep after trauma and the development of posttraumatic stress disorder symptoms: A pilot study. Journal of Traumatic Stress, 26(4), 467–474. https://doi.org/10.1002/jts.21828
  • Koffel, E., Khawaja, I. S., & Germain, A. (2016). Sleep disturbances in posttraumatic stress disorder: Updated review and implications for treatment. Psychiatric Annals, 46(3), 173–176. https://doi.org/10.3928/00485713-20160125-01
  • Koval, P., Hinton, J., Dozo, N., Gleeson, J., Alvarez, M., Harrison, A., Vu, D., Susanto, R., Jayaputera, G., & Sinnott, R. (2019). SEMA3: Smartphone Ecological Momentary Assessment. In (Version 3) http://www.sema3.com.
  • Kryger, M. H., Roth, T., & Dement, W. C. (2022). Principles and practice of sleep medicine (7th ed.). Elsevier. https://doi.org/10.1016/C2012-0-03543-0
  • Lenth, R. (2021). emmeans: Estimated Marginal Means, aka Least-Squares Means. In R (Version 1.7.4-1) https://CRAN.R-project.org/package=emmeans.
  • Letica-Crepulja, M., Stevanović, A., Palaić, D., Juretić, T. G., Grković, J., & Rončević-Gržeta, I. (2022). PTSD symptoms and coping before and during COVID-19 pandemic among help-seeking veterans: Prospective cohort study. European Psychiatry, 65(S1), S67–S68. https://doi.org/10.1192/j.eurpsy.2022.215
  • Lewis, C., Lewis, K., Kitchiner, N., Isaac, S., Jones, I., & Bisson, J. I. (2020). Sleep disturbance in post-traumatic stress disorder (PTSD): A systematic review and meta-analysis of actigraphy studies. European Journal of Psychotraumatology, 11(1), 1767349. https://doi.org/10.1080/20008198.2020.1767349
  • Li, S. H., & Graham, B. M. (2017). Why are women so vulnerable to anxiety, trauma-related and stress-related disorders? The potential role of sex hormones. The Lancet Psychiatry, 4(1), 73–82. https://doi.org/10.1016/S2215-0366(16)30358-3
  • Mascaro, L., Phillips, A. J., Clark, J. W., Straus, L. D., & Drummond, S. P. (2021). Diurnal rhythm robustness in individuals with PTSD and insomnia and the association with sleep. Journal of Biological Rhythms, 36(2), 185–195. https://doi.org/10.1177/0748730420984563
  • Mong, J. A., & Cusmano, D. M. (2016). Sex differences in sleep: Impact of biological sex and sex steroids. Philosophical Transactions of the Royal Society B: Biological Sciences, 371(1688), 20150110. https://doi.org/10.1098/rstb.2015.0110
  • Neculicioiu, V. S., Colosi, I. A., Costache, C., Sevastre-Berghian, A., & Clichici, S. (2022). Time to sleep?—A review of the impact of the COVID-19 pandemic on sleep and mental health. International Journal of Environmental Research Public Health, 19(6), 3497. https://doi.org/10.3390/ijerph19063497
  • Ohayon, M. M., & Shapiro, C. M. (2000). Posttraumatic stress disorder in the general population. J Comprehensive Psychiatry, 41(6), 469–478. https://doi.org/10.1053/comp.2000.16568
  • O’Regan, D., Jackson, M. L., Young, A. H., & Rosenzweig, I. (2021). Understanding the impact of the COVID-19 pandemic, lockdowns and social isolation on sleep quality. Nature Science of Sleep, 13, 2053. https://doi.org/10.2147/NSS.S266240
  • Plekhanova, T., Rowlands, A. V., Davies, M. J., Hall, A. P., Yates, T., & Edwardson, C. L. (2022). Validation of an automated sleep detection algorithm using data from multiple accelerometer brands. Journal of Sleep Research, e13760. https://doi.org/10.1111/jsr.13760
  • Porcheret, K., Iyadurai, L., Bonsall, M. B., Goodwin, G. M., Beer, S. A., Darwent, M., & Holmes, E. A. (2020). Sleep and intrusive memories immediately after a traumatic event in emergency department patients. Sleep, 43(8), zsaa033. https://doi.org/10.1093/sleep/zsaa033
  • Possemato, K., Maisto, S. A., Wade, M., Barrie, K., McKenzie, S., Lantinga, L. J., & Ouimette, P. (2015). Ecological momentary assessment of PTSD symptoms and alcohol use in combat veterans. Psychology of Addictive Behaviors, 29(4), 894. https://doi.org/10.1037/adb0000129
  • R Core Team. (2021). R: A language and environment for statistical computing. In R (Version 4.2.1.) https://www.R-project.org/.
  • Rezaei, N., & Grandner, M. A. (2021). Changes in sleep duration, timing, and variability during the COVID-19 pandemic: Large-scale Fitbit data from 6 major US cities. Sleep Health, 7(3), 303–313. https://doi.org/10.1016/j.sleh.2021.02.008
  • Rezaie, L., Fobian, A. D., McCall, W. V., & Khazaie, H. (2018). Paradoxical insomnia and subjective–objective sleep discrepancy: A review. Sleep Medicine Reviews, 40, 196–202. https://doi.org/10.1016/j.smrv.2018.01.002
  • Richards, A., Inslicht, S. S., Yack, L. M., Metzler, T. J., Russell Huie, J., Straus, L. D., Dukes, C., Hubachek, S. Q., Felmingham, K. L., Mathalon, D. H., Woodward, S. H., & Neylan, T. C. (2022). The relationship of fear-potentiated startle and polysomnography-measured sleep in trauma-exposed men and women with and without PTSD: Testing REM sleep effects and exploring the roles of an integrative measure of sleep, PTSD symptoms, and biological sex. Sleep, 45(1), zsab271. https://doi.org/10.1093/sleep/zsab271
  • Rosi-Andersen, A., Meister, L., Graham, B., Brown, S., Bryant, R., Ehlers, A., & Kleim, B. (2022). Circadian influence on intrusive re-experiencing in trauma survivors’ daily lives. European Journal of Psychotraumatology, 13(1), 1899617. https://doi.org/10.1080/20008198.2021.1899617
  • Rossi, R., Socci, V., Talevi, D., Mensi, S., Niolu, C., Pacitti, F., Di Marco, A., Rossi, A., Siracusano, A., & Di Lorenzo, G. (2020). COVID-19 pandemic and lockdown measures impact on mental health among the general population in Italy. Frontiers in Psychiatry, 11, 790. https://doi.org/10.3389/fpsyt.2020.00790
  • Sañudo, B., Fennell, C., & Sánchez-Oliver, A. J. (2020). Objectively-assessed physical activity, sedentary behavior, smartphone use, and sleep patterns pre-and during-COVID-19 quarantine in young adults from Spain. Sustainability, 12(15), 5890. https://doi.org/10.3390/su12155890
  • Saunders, J. B., Aasland, O. G., Babor, T. F., De la Fuente, J. R., & Grant, M. (1993). Development of the alcohol use disorders identification test (AUDIT): WHO collaborative project on early detection of persons with harmful alcohol consumption-II. Addiction, 88(6), 791–804. https://doi.org/10.1111/j.1360-0443.1993.tb02093.x
  • Schenker, M. T., Ince, S., Ney, L. J., Hsu, C. M. K., Zuj, D. V., Jordan, A. S., Nicholas, C. L., & Felmingham, K. L. (2022). Sex differences in the effect of subjective sleep on fear conditioning, extinction learning, and extinction recall in individuals with a range of PTSD symptom severity. Behaviour Research and Therapy, 159, 104222. https://doi.org/10.1016/j.brat.2022.104222
  • Schenker, M. T., Ney, L. J., Miller, L. N., Felmingham, K. L., Nicholas, C. L., & Jordan, A. S. (2021). Sleep and fear conditioning, extinction learning and extinction recall: A systematic review and meta-analysis of polysomnographic findings. Sleep Medicine Reviews, 59, 101501. https://doi.org/10.1016/j.smrv.2021.101501
  • Schuler, K., Ruggero, C. J., Mahaffey, B., Gonzalez, A. L., Callahan, J., Boals, A., Waszczuk, M. A., Luft, B. J., & Kotov, R. (2021). When hindsight is not 20/20: Ecological momentary assessment of PTSD symptoms versus retrospective report. Assessment, 28(1), 238–247. https://doi.org/10.1177/1073191119869826
  • Short, N. A., Allan, N. P., & Schmidt, N. B. (2017). Sleep disturbance as a predictor of affective functioning and symptom severity among individuals with PTSD: An ecological momentary assessment study. Behaviour Research and Therapy, 97, 146–153. https://doi.org/10.1016/j.brat.2017.07.014
  • Short, N. A., Allan, N. P., Stentz, L., Portero, A. K., & Schmidt, N. B. (2018). Predictors of insomnia symptoms and nightmares among individuals with post-traumatic stress disorder: An ecological momentary assessment study. Journal of Sleep Research, 27(1), 64–72. https://doi.org/10.1111/jsr.12589
  • Slavish, D. C., Briggs, M., Fentem, A., Messman, B. A., & Contractor, A. A. (2022). Bidirectional associations between daily PTSD symptoms and sleep disturbances: A systematic review. Sleep Medicine Reviews, 63, 101623. https://doi.org/10.1016/j.smrv.2022.101623
  • Spoormaker, V. I., & Montgomery, P. (2008). Disturbed sleep in post-traumatic stress disorder: Secondary symptom or core feature? Sleep Medicine Reviews, 12(3), 169–184. https://doi.org/10.1016/j.smrv.2007.08.008
  • Suh, S., Cho, N., & Zhang, J. (2018). Sex differences in insomnia: From epidemiology and etiology to intervention. Current Psychiatry Reports, 20(9), 1–12. https://doi.org/10.1007/s11920-018-0940-9
  • Tabachnick, B. G., & Fidell, L. S. (2007). Using multivariate statistics (Vol. 5). Pearson.
  • Talbot, L. S., Maguen, S., Metzler, T. J., Schmitz, M., McCaslin, S. E., Richards, A., Michael, L., Posner, D. A., Weiss, B., Ruoff, L., Varbel, J., & Neylan, T. C. (2014). Cognitive behavioral therapy for insomnia in posttraumatic stress disorder: A randomized controlled trial. Sleep, 37(2), 327–341. https://doi.org/10.5665/sleep.3408
  • Van Dongen, H., Maislin, G., Mullington, J. M., & Dinges, D. F. (2003). The cumulative cost of additional wakefulness: Dose-response effects on neurobehavioral functions and sleep physiology from chronic sleep restriction and total sleep deprivation. Sleep, 26(2), 117–126. https://doi.org/10.1093/sleep/26.2.117
  • van Hees, V., Fang, Z., Zhao, J., Heywood, J., Mirkes, E., Sabia, S., & Migueles, J. (2019). GGIR - Raw Accelerometer Data Analysis. In R (Version 2.7-1) https://CRAN.R-project.org/package=GGIR.
  • van Hees, V. T., Sabia, S., Jones, S. E., Wood, A. R., Anderson, K. N., Kivimäki, M., Frayling, T. M., Pack, A. I., Bucan, M., Trenell, M. I., Mazzotti, D. R., Gehrman, P. R., Singh-Manoux, B. A., & Weedon, M. N. (2018). Estimating sleep parameters using an accelerometer without sleep diary. Scientific Reports, 8(1), 12975. https://doi.org/10.1038/s41598-018-31266-z
  • Van Voorhees, E. E., Dennis, P. A., Elbogen, E. B., Fuemmeler, B., Neal, L. C., Calhoun, P. S., & Beckham, J. C. (2018). Characterizing anger-related affect in individuals with posttraumatic stress disorder using ecological momentary assessment. Psychiatry Research, 261, 274–280. https://doi.org/10.1016/j.psychres.2017.12.080
  • Vrana, S., & Lauterbach, D. (1994). Prevalence of traumatic events and post-traumatic psychological symptoms in a nonclinical sample of college students. Journal of Traumatic Stress, 7(2), 289–302. https://doi.org/10.1002/jts.2490070209
  • Walters, E. M., Jenkins, M. M., Nappi, C. M., Clark, J., Lies, J., Norman, S. B., & Drummond, S. (2020). The impact of prolonged exposure on sleep and enhancing treatment outcomes with evidence-based sleep interventions: A pilot study. Psychological Trauma: Theory, Research, Practice, and Policy, 12(2), 175. https://doi.org/10.1037/tra0000478
  • Weathers, F. W., Litz, B. T., Keane, T. M., Palmieri, P. A., Marx, B. P., & Schnurr, P. P. (2013). The PTSD checklist for DSM-5 (PCL-5). National Center for PTSD. www.ptsd.va.gov.
  • Yap, Y., Slavish, D. C., Taylor, D. J., Bei, B., & Wiley, J. F. (2020). Bi-directional relations between stress and self-reported and actigraphy-assessed sleep: A daily intensive longitudinal study. Sleep, 43(3), zsz250. https://doi.org/10.1093/sleep/zsz250
  • Yap, Y., Tung, N. Y. C., Collins, J., Phillips, A., Bei, B., & Wiley, J. F. (2022). Daily relations between stress and electroencephalography-assessed sleep: A 15-Day intensive longitudinal design With ecological momentary assessments. Annals of Behavioral Medicine, 63, 101623. https://doi.org/10.1093/abm/kaac017
  • Zhang, Y., Ren, R., Sanford, L. D., Yang, L., Zhou, J., Zhang, J., Wing, Y.-K., Shi, J., Lu, L., & Tang, X. (2019). Sleep in posttraumatic stress disorder: A systematic review and meta-analysis of polysomnographic findings. Sleep Medicine Reviews, 48, 101210. https://doi.org/10.1016/j.smrv.2019.08.004