Objective: Nightmares seem to predict suicidal behaviors, and the aim of this study is to explore the chronology and trajectories of alterations in dream contents before a suicidal crisis, distinguishing 3 different experiences: bad dreams, nightmares, and suicidal scenarios during dreams.
Methods: This naturalistic study included individuals hospitalized between January 2021 and May 2021 in a psychiatric post–emergency room unit for suicidal crisis (thoughts and attempts).
Results: The study observed that 80% (n = 32/40) of patients had altered dreams (AD) before the suicidal crisis, including 27 (67.5%) with bad dreams, 21 (52.5%) with nightmares (bad dreams that awaken the sleeper), and 9 (22.5%) with suicidal scenarios during dreams. No differences were observed between the AD group versus patients with no altered dreams (ND) regarding sociodemographic characteristics. We observed a progression of dream content alterations: bad dreams appear 111 days (4 months) before the suicidal crisis, then nightmares appear 87.3 days before (3 months), and suicidal scenarios during dreams were reported 45.2 days before (1.5 months). For the AD and ND populations in suicidal crisis, 80% had at least 1 subtype of dream alterations, 40% had bad dreams and nightmares, and 17.5% had all 3 subtypes. The AD group, compared to the ND group, had significantly more family history of insomnia (P = .046). Almost all patients (97.5%) had depressive symptoms (Montgomery-Asberg Depression Rating Scale [MADRS] score ≥ 7; 82.5% had moderate to severe symptoms, MADRS ≥ 20), 60% had insomnia (Insomnia Severity Index > 14), 92.5% had altered sleep quality (Pittsburgh Sleep Quality Index > 5), and 57.5% reported sleepiness (Epworth Sleepiness Scale > 10).
Conclusions: Dream alterations and their progression can be readily assessed and may help to better identify prodromal signs of suicidal behaviors.
ABSTRACT
Objective: Nightmares seem to predict suicidal behaviors, and the aim of this study is to explore the chronology and trajectories of alterations in dream contents before a suicidal crisis, distinguishing 3 different experiences: bad dreams, nightmares, and suicidal scenarios during dreams.
Methods: This naturalistic study included individuals hospitalized between January 2021 and May 2021 in a psychiatric post–emergency room unit for suicidal crisis (thoughts and attempts).
Results: The study observed that 80% (n = 32/40) of patients had altered dreams (AD) before the suicidal crisis, including 27 (67.5%) with bad dreams, 21 (52.5%) with nightmares (bad dreams that awaken the sleeper), and 9 (22.5%) with suicidal scenarios during dreams. No differences were observed between the AD group versus patients with no altered dreams (ND) regarding sociodemographic characteristics. We observed a progression of dream content alterations: bad dreams appear 111 days (4 months) before the suicidal crisis, then nightmares appear 87.3 days before (3 months), and suicidal scenarios during dreams were reported 45.2 days before (1.5 months). For the AD and ND populations in suicidal crisis, 80% had at least 1 subtype of dream alterations, 40% had bad dreams and nightmares, and 17.5% had all 3 subtypes. The AD group, compared to the ND group, had significantly more family history of insomnia (P = .046). Almost all patients (97.5%) had depressive symptoms (Montgomery-Asberg Depression Rating Scale [MADRS] score ≥ 7; 82.5% had moderate to severe symptoms, MADRS ≥ 20), 60% had insomnia (Insomnia Severity Index > 14), 92.5% had altered sleep quality (Pittsburgh Sleep Quality Index > 5), and 57.5% reported sleepiness (Epworth Sleepiness Scale > 10).
Conclusions: Dream alterations and their progression can be readily assessed and may help to better identify prodromal signs of suicidal behaviors.
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References (57)
World Health Organization. Global Health Estimates 2016: Deaths by Cause, Age, Sex, by Country and by Region, 2000–2016. World Health Organization; 2018.
Fazel S, Runeson B. Suicide. N Engl J Med. 2020;382(3):266–274. PubMedCrossRef
Goldstein TR, Bridge JA, Brent DA. Sleep disturbance preceding completed suicide in adolescents. J Consult Clin Psychol. 2008;76(1):84–91. PubMedCrossRef
Luoma JB, Martin CE, Pearson JL. Contact with mental health and primary care providers before suicide: a review of the evidence. Am J Psychiatry. 2002;159(6):909–916. PubMedCrossRef
Belsher BE, Smolenski DJ, Pruitt LD, et al. Prediction models for suicide attempts and deaths: a systematic review and simulation. JAMA Psychiatry. 2019;76(6):642–651. PubMedCrossRef
Pigeon WR, Pinquart M, Conner K. Meta-analysis of sleep disturbance and suicidal thoughts and behaviors. J Clin Psychiatry. 2012;73(9):e1160–e1167. PubMedCrossRef
Bernert RA, Nadorff MR. Sleep disturbances and suicide risk. Sleep Med Clin. 2015;10(1):35–39. PubMedCrossRef
Karia SB, Mehta N, Harshe D, et al. Insomnia, dreams, and suicide: connecting links. Ind Psychiatry J. 2016;25(2):155–159. PubMedCrossRef
Benard V, Geoffroy PA, Bellivier F. Seasons, circadian rhythms, sleep and suicidal behaviors vulnerability [Saisons, rythmes circadiens, sommeil et vulnérabilité aux conduites suicidaires]. Encephale. 2015;41(suppl 1):S29–S37. PubMedCrossRef
Christodoulou C, Efstathiou V, Bouras G, et al. Seasonal variation of suicide: a brief review. Encephalos. 2012;49:73–79.
Palagini L, Miniati M, Caruso D, et al. Predictors of suicidal ideation and preparatory behaviors in individuals with bipolar disorder: the contribution of chronobiological dysrhythmicity and its association with hopelessness. J Clin Psychiatry. 2021;82(2):20m13371. PubMedCrossRef
Ambar Akkaoui M, Lejoyeux M, d’Ortho MP, et al. Nightmares in patients with major depressive disorder, bipolar disorder, and psychotic disorders: a systematic review. J Clin Med. 2020;9(12):3990. PubMedCrossRef
Perlis ML, Grandner MA, Brown GK, et al. Nocturnal wakefulness as a previously unrecognized risk factor for suicide. J Clin Psychiatry. 2016;77(6):e726–e733. PubMedCrossRef
Benard V, Etain B, Vaiva G, et al. Sleep and circadian rhythms as possible trait markers of suicide attempt in bipolar disorders: an actigraphy study. J Affect Disord. 2019;244:1–8. PubMedCrossRef
Geoffroy PA, Oquendo MA, Courtet P, et al. Sleep complaints are associated with increased suicide risk independently of psychiatric disorders: results from a national 3-year prospective study. Mol Psychiatry. 2021;26(6):2126–2136. PubMedCrossRef
Sandman N, Valli K, Kronholm E, et al. Nightmares: prevalence among the Finnish general adult population and war veterans during 1972–2007. Sleep (Basel). 2013;36(7):1041–1050. PubMedCrossRef
Janson C, Gislason T, De Backer W, et al. Prevalence of sleep disturbances among young adults in three European countries. Sleep. 1995;18(7):589–597. PubMed
Li SX, Zhang B, Li AM, et al. Prevalence and correlates of frequent nightmares: a community-based 2-phase study. Sleep. 2010;33(6):774–780. PubMedCrossRef
Blagrove M, Farmer L, Williams E. The relationship of nightmare frequency and nightmare distress to well-being. J Sleep Res. 2004;13(2):129–136. PubMedCrossRef
American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders: DSM-5. Fifth Edition. Washington, DC: American Psychiatric Association; 2013.
American Academy of Sleep Medicine. International Classification of Sleep Disorders – 3rd ed (ICSD-3). American Association of Sleep Medicine; 2014. https://learn.aasm.org/Listing/a1341000002XmRvAAK
Simor P, Horváth K, Gombos F, et al. Disturbed dreaming and sleep quality: altered sleep architecture in subjects with frequent nightmares. Eur Arch Psychiatry Clin Neurosci. 2012;262(8):687–696. PubMedCrossRef
Tanskanen A, Tuomilehto J, Viinamäki H, et al. Nightmares as predictors of suicide. Sleep. 2001;24(7):844–847. PubMedCrossRef
Ağargün MY, Cilli AS, Kara H, et al. Repetitive and frightening dreams and suicidal behavior in patients with major depression. Compr Psychiatry. 1998;39(4):198–202. PubMedCrossRef
Speed KJ, Drapeau CW, Nadorff MR. Differentiating single and multiple suicide attempters: what nightmares can tell us that other predictors cannot. J Clin Sleep Med. 2018;14(5):829–834. PubMedCrossRef
Ambar Akkaoui M, D’ortho MP, Gourevitch R, et al. A study of nightmares in patients with psychiatric disorders. Psychiatry Clin Neurosci. 2022;76(3):89–91. CrossRef
Posner K, Brown GK, Stanley B, et al. The Columbia-Suicide Severity Rating Scale: initial validity and internal consistency findings from three multisite studies with adolescents and adults. Am J Psychiatry. 2011;168(12):1266–1277. PubMedCrossRef
The Columbia Lighthouse Project. Center for Suicide Risk Assessment. The Columbia Suicide Severity Rating Scale (C - SSRS). Supporting Evidence; 2019.
Chahoud M, Chahine R, Salameh P, et al. Reliability, factor analysis and internal consistency calculation of the Insomnia Severity Index (ISI) in French and in English among Lebanese adolescents. eNeurologicalSci. 2017;7:9–14. PubMedCrossRef
Bastien CH, Vallières A, Morin CM. Validation of the Insomnia Severity Index as an outcome measure for insomnia research. Sleep Med. 2001;2(4):297–307. PubMedCrossRef
Buysse DJ, Reynolds CF 3rd, Monk TH, et al. The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry Res. 1989;28(2):193–213. PubMedCrossRef
Dietch JR, Taylor DJ, Sethi K, et al. Psychometric evaluation of the PSQI in US college students. J Clin Sleep Med. 2016;12(8):1121–1129. PubMedCrossRef
Johns MW. A new method for measuring daytime sleepiness: the Epworth Sleepiness Scale. Sleep. 1991;14(6):540–545. PubMedCrossRef
Taillard J, Philip P, Chastang JF, et al. Validation of Horne and Ostberg Morningness-Eveningness Questionnaire in a middle-aged population of French workers. J Biol Rhythms. 2004;19(1):76–86. PubMedCrossRef
Mykletun A, Stordal E, Dahl AA. Hospital Anxiety and Depression (HAD) scale: factor structure, item analyses and internal consistency in a large population. Br J Psychiatry. 2001;179(6):540–544. PubMedCrossRef
Montgomery SA, Asberg M. A new depression scale designed to be sensitive to change. Br J Psychiatry. 1979;134(4):382–389. PubMedCrossRef
Hinz A, Klein AM, Brähler E, et al. Psychometric evaluation of the Generalized Anxiety Disorder Screener GAD-7, based on a large German general population sample. J Affect Disord. 2017;210:338–344. PubMedCrossRef
Spitzer RL, Kroenke K, Williams JBW, et al. A brief measure for assessing generalized anxiety disorder: the GAD-7. Arch Intern Med. 2006;166(10):1092–1097. PubMedCrossRef
The Jamovi Project. Jamovi (Version 1.8) [computer software]. 2021. https://www.jamovi.org
R Core Team. R: A Language and Environment for Statistical Computing (Version 4.0) [computer software]. 2021. R Packages retrieved from MRAN snapshot April 1, 2021. https://cran.r-project.org
Li SX, Lam SP, Chan JWY, et al. Residual sleep disturbances in patients remitted from major depressive disorder: a 4-year naturalistic follow-up study. Sleep (Basel). 2012;35(8):1153–1161. PubMedCrossRef
Agargun MY, Besiroglu L, Cilli AS, et al. Nightmares, suicide attempts, and melancholic features in patients with unipolar major depression. J Affect Disord. 2007;98(3):267–270. PubMedCrossRef
Robert G, Zadra A. Measuring nightmare and bad dream frequency: impact of retrospective and prospective instruments. J Sleep Res. 2008;17(2):132–139. PubMedCrossRef
Sjöström N, Waern M, Hetta J. Nightmares and sleep disturbances in relation to suicidality in suicide attempters. Sleep. 2007;30(1):91–95. PubMedCrossRef
Lamis DA, Innamorati M, Erbuto D, et al. Nightmares and suicide risk in psychiatric patients: the roles of hopelessness and male depressive symptoms. Psychiatry Res. 2018;264:20–25. PubMedCrossRef
Sjöström N, Hetta J, Waern M. Persistent nightmares are associated with repeat suicide attempt: a prospective study. Psychiatry Res. 2009;170(2–3):208–211. PubMedCrossRef
Kahn D. Reactions to dream content: continuity and non-continuity. Front Psychol. 2019;10:2676. PubMedCrossRef
Schredl M, Göritz AS. Nightmare themes: an online study of most recent nightmares and childhood nightmares. J Clin Sleep Med. 2018;14(3):465–471. PubMedCrossRef
Gieselmann A, Ait Aoudia M, Carr M, et al. Aetiology and treatment of nightmare disorder: state of the art and future perspectives. J Sleep Res. 2019;28(4):e12820. PubMedCrossRef
Agargun MY, Kara H, Özer ÖA, et al. Clinical importance of nightmare disorder in patients with dissociative disorders. Psychiatry Clin Neurosci. 2003;57(6):575–579. PubMedCrossRef
Thünker J, Pietrowsky R. Effectiveness of a manualized imagery rehearsal therapy for patients suffering from nightmare disorders with and without a comorbidity of depression or PTSD. Behav Res Ther. 2012;50(9):558–564. PubMedCrossRef
Geoffroy PA, Scott J. Prodrome or risk syndrome: what’s in a name? Int J Bipolar Disord. 2017;5(1):7. PubMedCrossRef
World Health Organization, others. Global Health Estimates 2013: Deaths by Cause, Age and Sex, Estimates for 2000–2012. World Health Organization. Published online 2014.
Waltman SH, Shearer D, Moore BA. Management of post-traumatic nightmares: a review of pharmacologic and nonpharmacologic treatments since 2013. Curr Psychiatry Rep. 2018;20(12):108. PubMedCrossRef
Pompili M, Venturini P, Palermo M, et al. Mood disorders medications: predictors of nonadherence: review of the current literature. Expert Rev Neurother. 2013;13(7):809–825. PubMedCrossRef