Publications d'intérêt général


Zadra, A. (2022) Why brains need to dream. DreamTime Magazine, Winter 2022 Issue, pp. 22-25.  

Haar, A.J.H., Stickgold, R. & Zadra, A. (2021). Dreams for sale: Dreams are a precious resource, don’t let advertisers hack them. Aeon.

Zadra, A. (2021). What dream characters reveal about the astonishing dreaming brain. Psyche.

Stickgold, R. Zadra, A., A. J. H. Harr (2021). Advertising in Dreams is Coming: Now What? An opinion piece on recent developments in dream incubation technologies and their ethical implications. 

Articles scientifiques


Kalantari, N., McDuff, P., Pilon, M., Desautels, A., Montplaisir, J., Zadra, A. (2022). Self-reported developmental changes in the frequency and characteristics of somnambulistic and sleep terror episodes in chronic sleepwalkers Sleep Medicine, 89, 147-155.

Zadra, A., & D. J. Levitin, (2022). The disintegrated theory of consciousness: Sleep, waking and meta-awareness. Behavioral Brain Sciences. 45:e64.

El Hourani, M., Zadra A., Catellanos-Ryan, N., Parent, S., Renaud, J., Séguin, J.R. (2022). Longitudinal associations throughout adolescence: suicidal ideation, nightmares, and internalizing symptoms.  Sleep Medicine, 98, 89-97.

Fournier, S., Dauvilliers, Y., Warb, S., Labrecque, M., Zadra, A., Desautels, A. (2021). Does adenosine deaminase (ADA) gene confer risk for sleepwalking? Journal of Sleep Research. Dec 15:e13537.

Scavone, G, Baril, AA, Montplaisir, J. Carrier, J. Desautels, A, Zadra, A. (2021). Autonomic modulation during baseline and recovery sleep in adult sleepwalkers. Frontiers in Neurology. 12, 680596.

Vaillancourt-Morel, M.-P., Daspe, M.-È., Lussier, Y., & Zadra, A. (2021). Targets of erotic dreams and their associations with waking couple and sexual life. Dreaming, 31:44-56.

Gauchat, A, Zadra, A., El Hourani M, Parent S., Renaud J, Tremblay R.E., Séguin J.R. (2021). Association between recurrent dreams, disturbing dreams and suicidal ideation in adolescents. Dreaming. 31: 32-43.

Stickgold R, Zadra, A. (2021). Sleep: Opening a portal to the dreaming brain. Current Biology, 31, 352-353. 

Gauchat, A, Zadra A., El Hourani M, Parent S., Tremblay R.E., Séguin JR. (2020) Disturbing Dreams and Psychosocial Maladjustment in Children: A Prospective Study of the Moderating Role of Early Negative Emotionality. Frontiers Neurology

Carpentier N, O’Reilly C, Carrier J, Poirier G, Paquet J, Gibbs S.A, Zadra A., Desautels A. (2020). Spindle insufficiency in sleepwalkers’ deep sleep. Clinical Neurophysiology, 50, 339-343.

Samson-Daoust E, Julien SH, Beaulieu-Prévost D, Zadra A. (2019) Predicting the affective tone of everyday dreams: A prospective study of state and trait variables. Scientific Reports. DOI: 10.1038/s41598-019-50859-w

Demacheva I, Zadra A. (2019) Dream content and its relationship to trait anxiety. International Journal of Dream Research, 12 (2): 1-7.

Nigam M, Zadra A., Boucetta S, Gibbs SA, Desautels A, Montplaisir J. (2019) Successful treatment of somnambulism with OROS-methylphenidate. Journal of Clinical Sleep Medicine15, 1683-1685. 

Desjardins ME, Baril AA, Soucy JP, Dang Vu TT, Desautels A, Petit D, Montplaisir, J, Zadra A. (2018). Altered brain perfusion patterns in wakefulness and slow-wave sleep in sleepwalkers. SLEEP, 41, zsy039

Desjardins ME, Carrier J, Lina JM, Fortin M, Gosselin N, Montplasir, J, Zadra A. (2017) EElationship_between_drug_dreams_affect_2015.pdfG functional connectivity prior to sleepwalking: evidence of interplay between sleep and wakefulness. SLEEP, 40(4) doi: 10.1093/sleep/zsx024. 

Boucetta S, Montplasir J, Zadra A., Lachapelle F, Soucy JP, Gravel P, Dang-Vu TT. (2017) Altered regional cerebral blood flow in idiopathic hypersomnia. SLEEP, 40:10

Labelle MA, Dang-Vu TT, Petit D, Desautels A, Monplaisir J, Zadra, A. (2015) Sleep deprivation impairs inhibitory control in adult sleepwalkers. Journal of Sleep Research, 24, 658-65. DOI: 10.1111/jsr.12315

Petit D, Pennestri MH, Paquet J, Desautels, A, Zadra A., Tremblay RE, Boivin M, Montplaisir J. (2015) Childhood sleepwalking and sleep terrors: a longitudinal study of prevalence and familial aggregation. JAMA Pediatrics. doi:10.1001/jamapediatrics.2015.127 doi: 10.1001/jamapediatrics.2015.127.

Tanguay H, Zadra, A., Good D, Leri F. (2015) Relationship between drug dreams, affect and craving during treatment for substance dependence. Journal of Addiction Medicine, 9; 123-129. doi: 10.1097/ADM.0000000000000105

Dang-Vu TT, Zadra, A., Labelle MA, Petit D, Soucy JP, Montplaisir J. (2015). Sleep deprivation reveals altered brain perfusion patterns in somnambulism. PLoS One. 10(8): e0133474. doi: 10.1371/journal.pone.0133474. eCollection 2015.

Cohen A, Zadra A. (2015). An analysis of laypeople’s beliefs regarding the origins of their worst nightmares. International Journal of Dream Research, 8, 120-128.

Beaulieu-Prevost D, Zadra A. (2015) When people remember dreams they never experienced: A study of the malleability of dream recall over time. Dreaming, 25; 18-31.

Pressman MR, Grunstein RR, Mahowald MW, Schenck CH, Montplaisir JY, Bornemann MC, Zadra A., Buchanan PR. (2015). Alcohol and sleep review: flawed design, methods, and statistics cannot support conclusions. Alcoholism: Clinical and Experimental Research, 39(5): 941-943. doi: 10.1111/acer.12712

Gauchat A, Séguin JR, McSween-Cadieux E, Zadra A. (2015). The content of recurrent dreams in young adolescents. Consciousness and Cognition, 37: 103-111. doi: 10.1016/j.concog.2015.08.009

Petit D, Zadra, A. (2014) Les parasomnies chez l’enfant: Bien plus que le somnambulisme. Le Médecin du Québec, 9, 47-51.

Perrault R, Carrier J, Desaultels A, Montplaisir J, Zadra, A. (2014). EEG slow waves prior to somnambulism. Sleep Medicine, 15, 1468-1472. doi: 10.1016/j.sleep.2014.07.020

Gauchat, A., Seguin, JR, Zadra, A. (2014). Prevalence and correlates of disturbed dreaming in children. Pathologie Biologie, 62 : 311-318. Doi : 10.1016/j.patbio.2014.05.016

Robert G, Zadra, A. (2014). Thematic and content analysis of idiopathic nightmares and bad dreams.  SLEEP, 37; 409-417. doi: 10.5665/sleep.3426

Zadra, A., Desautels A, Petit D, Montplaisir, J. (2013) Somnambulism: clinical aspects and pathophysiological hypotheses. Lancet Neurology, 12; 285-94. doi: 10.1016/S1474-4422(12)70322-8

Labelle MA, Desautels A, Montplaisir, J,  Zadra A. (2013). Psychopathologic correlates of adult sleepwalking. Sleep Medicine, 14;1348-1355. doi: 10.1016/j.sleep.2013.05.023

Duval M, McDuff P, Zadra A. (2013).  Nightmare frequency, nightmare distress and psychopathology in female victims of childhood abuse.  Journal of Nervous and Mental Disease, 201; 767-772.  doi: 10.1097/NMD.0b013e3182a214a1

Desaultels A,  Zadra A., Labelle MA, Dauvilliers Y, Petit D, Montplaisir J. (2013). Daytime somnolence in adult sleepwalkers. Sleep Medicine, 14 :1187-1191. doi: 10.1016/j.sleep.2013.04.029

Charneau Simard C, Beaulieu-Prevost D,  Zadra A. (2013) Chercher un sens à ses rêves? Relations avec le bien-être, la personnalité et l’accessibilité onirique. Canadian Journal of Behavioural Science, 45; 148-158.

Perrault R, Carrier J, Desaultels A, Montplaisir J, Zadra A. (2013). Slow wave activity and slow oscillations in sleepwalkers and controls: effects of 38 h of sleep deprivation. Journal of Sleep Research, 22; 430-433. doi: 10.1111/jsr.12041

Pilon M, Desautels A, Montplaisir J, Zadra A. (2012). Auditory arousal responses and thresholds during REM and NREM sleep of sleepwalkers and controls. Sleep Medicine, 13; 490-495. doi: 10.1016/j.sleep.2011.10.031

Pressman MR, Mahowald MW, Schenck CH, Cramer Bornemann MA, Banerjee D, Buchanan P,  Zadra A. (2012). Alcohol, sleepwalking and violence: lack of reliable scientific evidence. Brain. doi: 10.1093/brain/aws248

Zadra, A., Robert G. (2012) Dream recall frequency: Impact of prospective measures and motivational factors. Consciousness and Cognition, 21; 1695-1702.doi: 10.1093/brain/aws248

Gauchat A, Zadra A., (2012) Prévalence, corrélats et traitements des cauchemars chez les enfants. Pratiques psychologiques, 18; 245-264.

Duval M, Zadra, A. (2011). Frequency and content of dreams associated with trauma. Sleep Medicine Clinics, 5: 249-260.

Montplaisir J, Petit D, Pilon M, Mongrain V, Zadra, A. (2011).Does sleepwalking impair daytime vigilance? Journal of Clinical Sleep Medicine, 7, 219. 

Pilon M, Zadra, A. (2011). Non-Rapid Eye Movement Parasomnais: Diagnostic methods. Sleep Medicine Clinics 6: 447-458.

Zadra, A., Pilon, M (2011). Non-rapid eye movement (NREM) parasomnias. In: Montagna, P. & Chokroverty, S. (Eds), Handbook of Clinical Neurology, 99, Amsterdam: Elsevier., pp. 851-868.

Jaar O., Pilon M, Carrier J, Montplaisir, J, Zadra, A. (2010).  Analyses of slow-wave activity and slow-wave oscillations prior to somnambulism. SLEEP, 11 (33), 1511-1516.

Lusignan, FA., Godbou, R,  Dubuc, M.J, Daoust AM., Mottard, JP., Zadra, A. (2010)  Non REM sleep mentation in chronically-treated persons with schizophrenia.  Consciousness and Cognition, 19(4), 997-985. doi: 10.1016/j.concog.2010.09.021

Krakow, B., Zadra, A. (2010). Imagery rehearsal therapy: Principles and practice. Sleep Medicine Clinics, 5, 289-298.

Pesant, N. & Zadra, A. (2010).  L'utilisation des rêves en psychothérapie: une approche intégrative.  Revue Québécoise de Psychologie, 31(2), 9-31.

Lusignan, F.A., Zadra, A., Dubuc, M.J., Daoust, A.M., Mottard, J.P.,  Godbout, R. (2009). Dream content in chronically-treated persons with schizophrenia.  Schizophrenia Research, 112, 164-173. doi: 10.1016/j.schres.2009.03.032

Pressman, M. R., Mahowald, M. W., Schenck, C., Bornemann, M. C., Montplaisir, J.,  Zadra, A., et al. (2009). Sleep-related automatism and the law. Medicine, Science and the Law, 49(2), 124-36.

Beaulieu-Prevost, D; Charneau Simard, C. Zadra, A. (2009) Making sense of dream experiences: A multidimensional approach to beliefs about dreams. Dreaming,19, 119-134.

Gauchat, A. Zadra, A. Tremblay, R.E. Zelazo, P.D. Séguin, J.R. (2009) Recurrent dreams and psychosocial adjustment in preteen children. Dreaming, 19, 75-84.

Zadra, A., Pilon, M., & Montplaisir, J. (2008) Polysomnographic diagnosis of sleepwalking:  effects of sleep deprivation. Annals of Neurology, 63: 513-519.  doi: 10.1002/ana.21339

Pilon, M., Montplaisir, J. & Zadra, A. (2008) Precipitating somnambulism: impact of sleep deprivation and forced arousals. Neurology, 70, 2284-2290.  doi: 10.1212/01.wnl.0000304082.49839.86

Robert, G. & Zadra, A. (2008) Measuring nightmare and bad dream frequency: Impact of retrospective and prospective instruments. Journal of Sleep Research, 17:132-139.doi: 10.1111/j.1365-2869.2008.00649.x

Beaulieu-Prévost, D. & Zadra, A. (2007). Absorption, psychological boundaries and attitude towards dreams as correlates of dream recall: Two decades of research seen through a meta-analysis.  Journal of Sleep Research, 16, 51-59.

Beaulieu-Prévost, D. & Zadra, A. (2007) Variations dans le rappel onirique : synthèse et intégration des connaissances. Pratiques Psychologiques, 13, 117-130.

Desjardins, S. & Zadra, A. (2006) Is the threat simulation theory threatened by recurrent dreams? Consciousness and Cognition, 15, 470-474.

Krakow, B. & Zadra, A. (2006) Clinical management of chronic nightmares: Imagery Rehearsal Therapy. Behavioral Sleep Medicine, 4, 45-70.

Pesant, N. & Zadra, A. (2006)  Effets et processus thérapeutiques de séances d’interprétation du rêve. Revue Québécoise de Psychologie, 27, 153-170.

Pesant, N. &  Zadra, A. (2006) Dream content and psychological well-being: A longitudinal study of the continuity hypothesis. Journal of Clinical Psychology, 62, 111-121.

Pilon, M., Zadra, A., Joncas, S. & Montplaisir, J.(2006)Hypersynchronous delta waves and somnambulism: Brain topography and effect of sleep deprivation. Sleep,29, 77-84.

Zadra A., Desjardins, S. & Marcotte, E. (2006) Evolutionary function of dreams: A test of the threat simulation theory in recurrent dreams. Consciousness and Cognition, 15, 450-463.

Zadra A., Pilon M., & Donderi, D.C. (2006)Variety and intensity of emotions in nightmares and bad dreams.  Journal of Nervous and Mental Disease, 194, 249-254.

Beaulieu-Prévost, D. & Zadra, A. (2005)How dream recall shapes people’s beliefs about the content of their dreams. North American Journal of Psychology, 7, 253-264.

Beaulieu-Prévost, D. & Zadra, A. (2005) Dream recall frequency and attitude towards dreams: A reinterpretation of the relation. Journal of Personality and Individual Differences, 38, 919-927.

Germain, A., Krakow, B., Faucher, B., Zadra, A., Nielsen, T., Hollifield, M., Warner, T.D., & Koss, M. (2004). Increased mastery elements associated with imagery rehearsal treatment for nightmares in sexual assault survivors with PTSD. Dreaming, 14, 195-206.

Pesant, N., Zadra, A. (2004). Working with dreams in therapy: What do we know and what should we do?  Clinical Psychology Review, 24, 489-512.

Zadra, A., Pilon, M., Joncas, S., Rompré, S., & Montplaisir, J. (2004) Analysis of post-arousal EEG activity after somnambulistic episodes. Journal of Sleep Research, 13, 279-284.

Nielsen, T.A., Zadra, A., Simard, V., Saucier, S., Kuiken, D. & Smith, C. (2003) Typical dreams of Canadian university students. Dreaming, 13, 211-235. doi:10.1023/B:DREM.0000003144.40929.0b

Zadra, A. & Manzini, C. (2003)  Rêves et douleur. Douleur et Analgésie, 2, 89-92. doi:10.1007/BF03007108

Joncas, S., Zadra, A., Paquet, M., Montplaisir, J. (2002). The value of sleep deprivation as a diagnostic tool in adult sleepwalkers. Neurology, 58, 936-940.

Zadra, A. (2002) La sensorialité des rêves. Bulletin Veille Sommeil, 15, 24-28.

Zadra, A. & Donderi D.C. (2000). Threat perceptions and avoidance in recurrent dreams. Behavioral and Brain Sciences, 23, 1017-1018.

Germain, A., Nielsen, T., Zadra, A. & Montplaisir, J. (2000) The prevalence of typical dream themes challenges the specificity of the threat simulation theory. Behavioral and Brain Sciences, 23, 940-941. DOI: 10.1017/S0140525X00424027

Gaudreau, H., Joncas, S., Zadra, A. & Montplaisir,J. (2000). Dynamics of slow-wave activity during the NREM sleep of sleepwalkers and control subjects. Sleep, 23, 755-760.

Zadra, A. & Donderi D.C. (2000). Nightmares and bad dreams : Their prevalence and relation to psychological well-being. Journal of Abnormal Psychology, 109, 210-219.

Zadra, A., Nielsen, T.A., & Donderi, D.C. (1998). Prevalence of auditory, olfactory, and gustatory experiences in home dreams. Perceptual and Motor Skills, 87, 819-826. DOI: 10.2466/pms.1998.87.3.819

Zadra, A., & Nielsen, T.A. (1998). Topographical EEG mapping in a case of recurrent sleep terrors. Dreaming, 8, 67-73. doi:10.1023/B:DREM.0000005897.62698.1b

Zadra, A., O’Brien, S., & Donderi, D.C. (1998). Dream content, dream recurrence and well-being: A replication with a younger sample. Journal of Imagination, Cognition & Personality, 17, 293-311.

Zadra, A., Nielsen, T.A. & Donderi, D.C. (1998). Prevalence of auditory, olfactory, and gustatory experiences in home dreams.  Perceptual and Motor Skills, 87, 819-826.

Zadra, A., Nielsen, T.A., Germain, A., Lavigne, G. & Donderi, D.C. (1998). The nature and prevalence of pain in dreams. Pain Research and Management, 3, 155-161.

Zadra, A. & Pihl, R.O. (1997). Lucid dreaming as a treatment for recurrent nightmares. Psychotherapy and Psychosomatics, 66, 50-55. DOI:10.1159/000289106

Nielsen, T.A., McGregor, D.L., Zadra, A., Ilnicki, D., & Ouellet, L. (1993).  Pain in dreams. Sleep, 18, 490-498.

Zadra, A., Donderi, D.C. & Pihl, R.O. (1992).  Efficacy of lucid dream induction for lucid and non-lucid dreamers.  Dreaming, 2, 85-97.

Chapitres de livres


Zadra A., Domhoff WG (2021). Dream content: Quantitative findings. Dans: Kryger M. Roth N., & Dement, W.C. (Eds.), Principles and Practice of Sleep Medicine, 7th Edition. Philadelphia: W.B. Saunders. 

Zadra, A. (2020). Dreamlike experiences in adult somnambulism. Dans: J. Pagel (Ed), Parasomnia Dreaming: Exploring Other Forms of Sleep Consciousness. Nova Publishers, pp. 211-225.

Zadra A. (2019). Chronic nightmares. Dans: Hoss RJ, Valli K (Eds), Dreams: Understanding Biology, Psychology and Culture, Santa Barbara: ABC-CLIO, pp. 479-485. 

Zadra A. (2019). Dream lucidity and nightmares. Dans: Hoss RJ, Valli K (Eds), Dreams: Understanding Biology, Psychology and Culture. Santa Barbara, CA: ABC-CLIO, pp. 486-489. 

Zadra A., Siegal A. (2019). PTSD nightmare therapies. Dans: Hoss RJ, Valli K (Eds), Dreams: Understanding Biology, Psychology and Culture. Santa Barbara CA: ABC-CLIO, pp. 490-496.

Montplaisir J, Zadra A, Nielsen TA, Petit D. (2017). Parasomnias. Dans: S. Chokroverty (Ed), Sleep Disorders Medicine: Basic Science, Technical Considerations, and Clinical Aspects, 4th Edition, Philadelphia: Springer, pp. 1087-1114. 
Zadra A, Domhoff WG (2016). Dream content: Quantitative findings. Dans: Kryger M. Roth N., & Dement, W.C. (Eds.), Principles and Practice of Sleep Medicine, 6th Edition. Philadelphia: W.B. Saunders, pp. 515-522. 

Zadra A, Domhoff WG (2016). Dream content: Quantitative findings. In: Kryger M. Roth N., & Dement, W.C. (Eds.), Principles and Practice of Sleep Medicine, 6th Edition. Philadelphia: W.B. Saunders.

Zadra A., Krakow B. (2013). Nightmare disorder in adults.  In Kothare S & Ivanenko A (Eds), Parasomnias:  Clinical Characteristics and Treatment, Springer, NY.

Zadra A. (2012) Nightmares. In: Sylvestri, R (Ed) Sleep Disorders in Neurology, Nova Science Publishers, pp. 91-104.

Zadra, A. (2012). Rêves et activités mentales du sommeil (Dreams and mental activity during sleep). Les troubles du sommeil, Dauvilliers, Y & Billard, M (Eds). Paris, Masson, pp. 59-68.

Zadra, A, Pilon, M. (2012). Parasomnias II: Night terrors and somnambulism.  In: C.M.  Morin, C.A. Espie (Eds). Oxford Handbook of Sleep and Sleep Disorders, Oxford University Press, pp. 577-598

Zadra A, Pilon, M (2011). Non-rapid eye movement (NREM) parasomnias.  In: Montagna, P. & Chokroverty, S. (Eds), Handbook of Clinical Neurology, 99, Amsterdam: Elsevier., pp. 851-868.

Nielsen T, Zadra A. (2011). Idiopathic nightmares and dream disturbances associated with sleep-wake transitions. In: Kryger M. Roth N., & Dement, W.C. (Eds.), Principles and practice of sleep medicine, 5th Edition, Philadelphia: W.B. Saunders, pp. 1106-1115. 

Zadra A., Domhoff WG. (2011). Dream content: Quantitative findings. In: Kryger M. Roth N., & Dement, W.C. (Eds.), Principles and practice of sleep medicine, 5th Edition. Philadelphia: W.B. Saunders, pp. 585- 594.

Zadra, A., Montplaisir, J. (2010).  Sleepwalking.  In: M.J. Thorpy, G Plazzi (Eds). The Parasomnias and other sleep related movement disorders, Cambridge University Press, UK, pp.109-118

Germain, A., Zadra, A. (2009). Dreams and nightmares in posttraumatic stress disorder.  In: LR. Squire (Ed). Encyclopedia of Neuroscience, 4th ed, Vol 3, Oxford, Elsevier, pp. 655-661.

Montplaisir, J., Zadra, A. Nielsen T.A., & Petit, D. (2009). Parasomnias. In : S. Chokroverty  (Ed), Sleep Disorders Medicine, 3rd Edition. Boston, Butterworth-Heinemann., pp. 591-605.

Germain, A., Zadra, A. (2009). Dreams and nightmares in PTSD.  In: The Neuroscience of Sleep, R. Stickgold & MP. Walker (Eds). Oxford, Elsevier, pp. 316-322.

Zadra, A. & Manzini C. (2007). Pain in dreams and nightmares. Dans: Lavigne, G., Choinière, M., Sessle, B. & Soja, P. (Eds). Sleep and Pain. International Association for the Study of Pain (IASP), pp. 361-370.

Nielsen, T.A. & Zadra, A. (2005).  Nightmares and other common dream disturbances. Dans: Kryger M. Roth N., & Dement, W.C. (Eds.), Principles and practice of sleep medicine, 4th Edition. (pp. 926-935). Philadelphia: W.B. Saunders Co.

Zadra, A. & Décary, E. (2005).  Analyse quantitative du contenu des récits de rêves littéraires du Moyen-âge au XXe siècle. Dans : Vandendorpe, C. (Ed).  Le récit de rêve. Fonctions, thèmes et symboles. (pp. 339-368).  Québec: Nota Bene.

Zadra, A. & Donderi, D.C. (2003) Threat perceptions and avoidance in recurrent dreams. In :  Pace-Schott, E.P., Solms M, Blagrove, M. & Harnad, S. (Eds.), Sleep and Dreaming: Scientific Advances and Reconsiderations. Cambridge: Cambridge University Press.

Nielsen, T.A. & Zadra, A. (2000). Dreaming disorders (Parasomnias section).  Dans: Kryger, M., Roth, N., & Dement, W.C. (Eds.), Principles and practices of sleep medicine, 3rd Edition.  Philadelphia: W.B. Saunders Co, pp. 753-772.

Zadra A. (1996).  Recurrent dreams:  Their relation to life events and well- being.  In D. Barrett (Ed.),   Trauma and dreams, pp. 231-247.  Cambridge:  Harvard University Press.

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