Tomacsek, V., Blaskovich, B., Király, A., Reichardt, R., & Simor, P. (2023). Altered parasympathetic activity during sleep and emotionally arousing wakefulness in frequent nightmare recallers. European Archives of Psychiatry and Clinical Neuroscience, 1-13.

Reichardt, R., Polner, B., & Simor, P. (2023). Influencing prior knowledge through a short reading impacts curiosity and learning. Applied Cognitive Psychology37(2), 458-464.

Simor, P., Bogdány, T., Sifuentes‐Ortega, R., Rovai, A., & Peigneux, P. (2023). Lateralized tactile stimulation during NREM sleep globally increases both slow and fast frequency activities. Psychophysiology60(3), e14191.

Simor, P., Peigneux, P., & Bódizs, R. (2023). Sleep and dreaming in the light of reactive and predictive homeostasis. Neuroscience & Biobehavioral Reviews, 105104.


Benkő, Z., Köteles, F., & Simor, P. (2022). Insomnia symptoms do, but chronotype does not show relevant associations with mental well-being and negative dream experiences. Current Psychology, 1-10.

Ujma, P. P., Dresler, M., Simor, P., Fabó, D., Ulbert, I., Erőss, L., & Bódizs, R. (2022). The sleep EEG envelope is a novel, neuronal firing-based human biomarker. Scientific Reports12(1), 18836.

Simor, P., Bogdány, T., & Peigneux, P. (2022). Predictive coding, multisensory integration, and attentional control: A multicomponent framework for lucid dreaming. Proceedings of the National Academy of Sciences119(44), e2123418119.

Horváth, C., Szalárdy, O., Ujma, P. P., Simor, P., Gombos, F., Kovács, I., Dresler, M., & Bódizs, R. (2022). Overnight dynamics in scale-free and oscillatory spectral parameters of NREM sleep EEG. Scientific Reports12(1), 18409.

Bathori, N., Polner, B., & Simor, P. (2022). Schizotypy unfolding into the night? Schizotypal traits and daytime psychotic-like experiences predict negative and salient dreams. Schizophrenia research246, 17-25.

Reichardt, R., Simor, P., & Polner, B. (2022). Expectation of irrelevant novel stimuli has no consistent effect on recognition memory. Scandinavian journal of psychology63(4), 308-320.

Reichardt, R., Polner, B., & Simor, P. (2022). The graded novelty encoding task: Novelty gradually improves recognition of visual stimuli under incidental learning conditions. Behavior research methods, 1-14. 

Bódizs, R., Horváth, C. G., Szalárdy, O., Ujma, P. P., Simor, P., Gombos, F., Kovacs, I., Genzel, L., & Dresler, M. (2022). Sleep‐spindle frequency: Overnight dynamics, afternoon nap effects, and possible circadian modulation. Journal of sleep research31(3), e13514.

Bogdány, T., Perakakis, P., Bódizs, R., & Simor, P. (2022). The heartbeat evoked potential is a questionable biomarker in nightmare disorder: A replication study. NeuroImage: Clinical33, 102933.


Simor P., Sifuentes-Ortega, R., Peigneux, P. (2021). Chapter 5. Sleep and Psychology
(cognitive and emotional processes). In: Claudio Bassetti, Walter McNicholas, Tiina Paunio,
Philippe Peigneux (eds.) ESRS European sleep medicine textbook. European Sleep Research
Society (ESRS). Regensburg, Germany.

Bódizs, R., Horváth, C.G., Szalárdy, O., Ujma, P.P., Simor, P., Gombos, F., Kovács, I., Genzel, L. and Dresler, M., 2021. Sleep‐spindle frequency: Overnight dynamics, afternoon nap effects, and possible circadian modulation. Journal of Sleep Research, p.e13514.

Reicher, V., Kis, A., Simor, P., Bódizs, R., & Gácsi, M. (2021). Interhemispheric asymmetry during NREM sleep in the dog. Scientific reports11(1), 1-10.

Simor, P., Szalárdy, O., Gombos, F., Ujma, P.P., Jordán, Z., Halász, L., Erőss, L., Fabó, D. and Bódizs, R., (2021). REM Sleep Microstates in the Human Anterior Thalamus. Journal of Neuroscience. DOI:

Simor, P., Bogdány, T., Bódizs, R., & Perakakis, P. (2021). Cortical monitoring of cardiac activity during rapid eye movement sleep: the heartbeat evoked potential in phasic and tonic REM microstates. Sleep.zsab100,

Simor P, Polner B, Báthori N, Sifuentes-Ortega R, Van Roy A, Albajara Sáenz A, Luque González A, Benkirane O, Nagy T, Peigneux P. Home confinement during the COVID-19: day-to-day associations of sleep quality with rumination, psychotic-like experiences, and somatic symptoms (2021). Sleep, zsab029. doi: 10.1093/sleep/zsab029.

Bódizs, R., Szalárdy, O., Horváth, C., Ujma, P.P., Gombos, F., Simor, P., Pótári, A., Zeising, M., Steiger, A. and Dresler, M., 2021. A set of composite, non-redundant EEG measures of NREM sleep based on the power law scaling of the Fourier spectrum. Scientific reports11(1), pp.1-18.


van der Wijk, G., Blaskovich, B., Farahzadi, Y., & Simor, P. (2020). Unaltered EEG spectral power and functional connectivity in REM microstates in frequent nightmare recallers: Are nightmares really a REM parasomnia?. Sleep Medicine.

Reichardt, R., Polner, B., & Simor, P. (2020). Novelty Manipulations, Memory Performance, and Predictive Coding: the Role of Unexpectedness. Frontiers in Human Neuroscience, 14, 152.

Simor, P., van der Wijk, G., Nobili, L., & Peigneux, P. (2020). The microstructure of REM sleep: why phasic and tonic?. Sleep Medicine Reviews, 101305.

Reicher, V., Kis, A., Simor, P., Bódizs, R., Gombos, F., & Gácsi, M. (2020). Repeated afternoon sleep recordings indicate first‐night‐effect‐like adaptation process in family dogs. Journal of Sleep Research, e12998.

Blaskovich, B., Reichardt, R., Gombos, F., Spoormaker, V. I., & Simor, P. (2020). Cortical hyperarousal in NREM sleep normalizes from pre-to post-REM periods in individuals with frequent nightmares. Sleep, 43(1), zsz201.

Blaskovich, B., Reicher, V., Gombos, F., Spoormaker, V. I., & Simor, P. (2020). Hyperarousal captured in increased number of arousal events during pre‐REM periods in individuals with frequent nightmares. Journal of Sleep Research, 2020,29:e12965.


Simor, P., van Der Wijk, G., Gombos, F., & Kovács, I. (2019). The paradox of rapid eye movement sleep in the light of oscillatory activity and cortical synchronization during phasic and tonic microstates. NeuroImage, 202, 116066. doi:10.1016/j.neuroimage.2019.116066.

Simor, P., & Blaskovich, B. (2019). The pathophysiology of nightmare disorder: Signs of impaired sleep regulation and hyperarousal. Journal of sleep research, 28(6):e12867. doi: 10.1111/jsr.12867..

Simor, P., Báthori, N., Nagy, T., & Polner, B. (2019). Poor sleep quality predicts psychotic‐like symptoms: an experience sampling study in young adults with schizotypal traits. Acta Psychiatrica Scandinavica. 140(2):135-146. doi: 10.1111/acps.13064.

Ujma, P. P., Simor, P., Steiger, A., Dresler, M., & Bodizs, R. (2019). Individual slow-wave morphology is a marker of aging. Neurobiology of Aging, 80, 71-82.

Ujma, P. P.,  Konrad B. N., Simor, P., Gombos, F., Körmendi, J., Steiger, A., Dresler, M., Bódizs, R. (2019). Sleep EEG functional connectivity varies with age and sex, but not general intelligence, Neurobiology of Aging, 78, 87-97.

Simor, P., Zavecz, Z., Horvath, K., Elteto, N., Torok, C., Pesthy, O., Gombos, F., Janacsek, K., Nemeth, D. (2019). Deconstructing procedural memory: Different learning trajectories and consolidation of sequence and statistical learning. Frontiers in Psychology, 9;9:2708. doi: 10.3389/fpsyg.2018.02708. eCollection 2018.

Freyler, A., Simor, P., Szemerszky, R., Köteles, F., Lindheimer, J., Szabo, A., … & Körmendi, J. (2019). Modern Health Worries in Patients with Affective Disorders. A Pilot Study. Clinical Neuroscience/Ideggyógyászati Szemle, 72(9-10), 337-341.doi: 10.18071/isz.72.0337.

Köteles, F., Simor, P., & Szemerszky, R. (2019). Somatosensory Amplification and Absorption contribute to electrosensitivity. Clinical Neuroscience/Ideggyógyászati Szemle, 72(5-6):165-170. doi: 10.18071/isz.72.0165.


Polner, B., Simor, P., Kéri, Sz. Insomnia and intellect mask the positive link between schizotypal traits and creativity. PeerJ. 17;6:e5615. doi: 10.7717/peerj.5615.

Simor, P., Steinbach, E., Nagy, T., Gilson, M., Farthouat, J., Schmitz, R., Gombos, F., Ujma, P., Pamula, M., Bodizs, R., Peigneux, P. (2018). Lateralized Rhythmic Acoustic Stimulation during Daytime NREM Sleep Enhances Slow Waves. SLEEP. 41(12). doi: 10.1093/sleep/zsy176.

Ujma, P.P., Halász, P., Simor, P., Ferri, R. (2018). Increased cortical involvement and synchronization during CAP A1 slow waves. Brain Structure and Function. 223(8):3531-3542. doi: 10.1007/s00429-018-1703-4.

Simor, P., Harsányi, A., Csigó, K., Miklós G., Demeter, G. (2018). Eveningness is associated with poor sleep quality and negative affect in obsessive–compulsive disorder. Journal of Behavioral Addictions, 7(1):10-20, doi: 10.1556/2006.7.2018.07.

Simor, P., Gombos, F., Blaskovich, B., Bódizs, R. (2018). Long-range alpha/beta and short-range gamma EEG synchronization distinguishes phasic and tonic REM periods. SLEEP, 41(3). doi: 10.1093/sleep/zsx210.


Ujma, P., Konrad, B., Gombos, F., Simor, P., Pótári, A., Genzel, L., Pawlowski, M., Steiger, A., Bódizs, R., Dresler, M. (2017). The sleep EEG spectrum is a sexually dimorphic marker of general intelligence. Scientific Reports, 7, 18070.  doi:10.1038/s41598-017-18124-0

Blaskovich, B., Szőllősi, Á., Gombos, F., Racsmány, M., Simor, P. (2017). The benefit of directed forgetting persists after a daytime nap: the role of spindles and REM sleep in the consolidation of relevant memories. SLEEP, 40, 3. DOI: 10.1093/sleep/zsw076 .

Simor, P., Zavecz, Z., Csábi, E., Benedek, P., Janacsek, K., Gombos, F., & Németh, D. (2017). Delta and theta activity during slow-wave sleep are associated with declarative but not with non-declarative learning in children with sleep-disordered breathing. Sleep Spindles & Cortical Up States, 1(1):55-66. DOI: 10.1556/2053.01.2017.003

Bódizs, R., Gombos, F., Ujma, PP., Szakadát, S., Sándor, P., Simor, P., Pótári, A., Konrad, BN., Genzel, L., Steiger, A., Dresler, M. (2017). The hemispheric lateralization of sleep spindles in humans. Sleep Spindles & Cortical Up States, 1(1):42:54. DOI: 10.1556/2053.01.2017.002

Pótári, A., Ujma, P., Konrad, B. N., Genzel, L., Simor, P., Körmendi, J., Gombos, F., Steiger, A., Dresler, M., Bódizs, R. (2017) Age-related changes in sleep EEG are attenuated in highly intelligent individuals. NeuroImage, 1;146:554-560.  doi:10.1016/j.neuroimage.2016.09.039

Kis, A., Szakadát, S., Gácsi, M., Kovács, E., Simor, P., Török, Cs., Gombos, F., Bodizs, R., Topál, J. (2017) The interrelated effect of sleep and learning in dogs (Canis familiaris); an EEG and behavioural study. Scientific Reports. 7:41873, DOI: 10.1038/srep41873

Simor, P. and Polner, B. (2017). Differential influence of asynchrony in early and late chronotypes on convergent thinking. Chronobiology International, 34, 1, 118–128.


Simor, P., Gombos, F., Szakadát, S., Sándor, P. and Bódizs, R. (2016). EEG spectral power in phasic and tonic REM sleep: different patterns in young adults and children. Journal of Sleep Research. 25, 3, 269-277. doi: 10.1111/jsr.12376

Köteles, F., Simor, P., Czető, M., Sárog, N., Szemerszky, R. (2016) Modern Health Worries – the Dark Side of Spirituality? Scandinavian Journal of Psychology. 57,4, 313-320. doi:10.1111/sjop.12297.


Simor P., Krietsch, K.N., Köteles, F., McCrae, C.S. (2015) Day-to-day Variation of Subjective Sleep Quality and Emotional States among Healthy University Students –  a 1-Week Prospective Study. International Journal of Behavioral Medicine, 5, 625-634. DOI: 10.1007/s12529-015-9464-4.

Simor, P., Zavecz, Zs., Pálosi, V., Török, Cs, Köteles, F. (2015) The influence of sleep complaints on the association between chronotype and negative emotionality in young adults. Chronobiology International, 32(1), 1-10. DOI:10.3109/07420528.2014.935786

Zavecz, Zs., Török, Cs., Köteles, F., Pálosi, V., Simor, P. (2015) [The Hungarian adaptation of the MEQ-H (Morningness Eveningness Questionnaire-Hungarian Version): The separate factors of Morning freshness and Circadian rhythmicity] Psychiatria Hungarica, 30 (3):318-331.

Pajkossy, P., Simor P., Szendi, I., Racsmány, M. (2015) Hungarian Validation of the Penn State Worry Questionnaire (PSWQ) – Comparing Latent Models with One or Two Method Factors Using both Paper-pencil and Online Versions of the PSWQ. European Journal of Psychological Assessment. 31(3), 2015, 159-165 DOI: 10.1027/1015-5759/a000221

Nagy, T., Salavecz, Gy., Simor, P., Purebl, Gy., Bódizs, R., Dockray, S., Steptoe, A. (2015) Frequent nightmares are associated with blunted cortisol awakening response in women. Physiology & Behavior, 1, 147, 233-237. doi:10.1016/j.physbeh.2015.05.001

Ujma, P.P., Simor, P., Ferri, R., Fabó, D., Kelemen, A., Erőss, L. Bódizs, R., Halázs, P. (2015) Increased interictal spike activity associated with transient slow wave trains during non-rapid eye movement sleep. Sleep and Biological Rhythms. 13, 2, 155-162. DOI:10.1111/sbr.12101

Ujma, P. P. Gombos, F., Genzel, L., Konrad, B. N., Simor, P., Dresler, M., Bódizs, R. (2015) A comparison of two spindle detection methods based on all night averages: individually adjusted versus fixed frequencies. Frontiers in Human Neuroscience, 9, 52. DOI:  10.3389/fnhum.2015.00052


Simor, P., Körmendi, J., Horváth, K., Gombos, F., Ujma, P., Bódizs, R. (2014) Electroencephalographic and Autonomic Alterations in Nightmare Disorder during Pre-and Post-REM periods. Brain and Cognition, 91, 62-70. DOI: 10.1016/j.bandc.2014.08.004

Köteles, F. and Simor, P. (2014) Modern Health Worries, Somatosensory Amplification, Health Anxiety and Well-being: A Cross-Sectional Study. European Journal of Mental Health, 9, 20-33.

Köteles, F. and Simor, P. (2014) Somatic Symptoms and Holistic Thinking as Major Dimensions behind Modern Health Worries. International Journal of Behavioral Medicine, 21(5), 869-876. DOI 10.1007/s12529-013-9363-5.

Ujma, P., Konrad, B., Genzel, L.., Bleifuss A., Simor, P., Pótári, A., Körmendi, J., Gombos, F., Steiger, A., Bódizs, R., Dresler, M. (2014) Sleep spindles and intelligence: Evidence for a sexual dimorphism. The Journal of Neuroscience: The official journal of the Society for Neuroscience, 34(49), 16358 –16368. DOI:10.1523/JNEUROSCI.1857-14.2014

Kis, A., Szakadát, S., Kovács, E., Gácsi, M., Simor, P., Gombos, F., Topál, J., Miklósi, Á., Bódizs, R. (2014) Development of a non-invasive polysomnography technique for dogs (Canis familiaris). Physiology & Behavior, 130,149-156. DOI:10.1016/j.physbeh.2014.04.004

Kis, A., Szakadát, S., Simor, P., Gombos, F., Horváth, K., Bódizs, R. (2014) Objective and subjective components of the first-night effect in young nightmare sufferers and healthy subjects. Behavioral Sleep Medicine, 12(6), 469-80. DOI: 10.1080/15402002.2013.829062.


Simor, P., Horváth, K., Ujma, P., Gombos, F., Bódizs, R. (2013). Fluctuations between sleep and wakefulness: wake-like features indicated by increased EEG alpha power during different sleep stages in nightmare disorder. Biological Psychology94, 592-600.

Simor, P., Bódizs, R., Horváth, K., Ferri, R. (2013). Disturbed dreaming and the instability of sleep: altered NREM sleep microstructure in subjects with frequent nightmares as revealed by the cyclic alternating pattern. SLEEP, 36(3), 413-419.

Simor, P., Horváth, K. (2013). Altered Sleep in Borderline Personality Disorder in relation to the Core Dimensions of Psychopathology. Scandinavian Journal of Psychology, 54(4), 300-312.

Köteles, F., Simor. P. (2013). Modern Health Worries, Somatosensory Amplification and Subjective Symptoms: A Longitudinal Study. International Journal of Behavioral Medicine, 20(1), 38-41.

Simor, P., Petke, Zs., Köteles, F. (2013). Measuring pre-reflexive consciousness: The Hungarian validation of the Mindful Attention Awareness Scale (MAAS). Learning & Perception5, 17-29.

Simor, P. (2013). [Nightmares int he bedroom of science: Exploring a neglected sleep disorder.] Orvosi Hetilap, 154(13), 497-502.


Simor, P., Horváth, K., Gombos, F., Bódizs, R. (2012) Disturbed dreaming and sleep quality: altered sleep architecture in subjects with frequent nightmares. European Archives of Psychiatry and Clinical Neurosciences262(8), 687-696.

Simor, P., Pajkossy, P., Horváth, K., Bódizs, R. (2012) Impaired executive functions in subjects with frequent nightmares as reflected by performance in different neuropsychological tasks. Brain and Cognition, 78, 274-283.

Petke, Z., Csorba, J., Mészáros, J., Vingender, I., Farkas, J., Demetrovics, Z., Kovács, Z., Menczel, Z., Pataki, Z., Simor, P., Havasi, A., Melles, K., Márványkövi, F., Rácz, J. (2012) [Psychosocial changes in six months of buprenorphine/naloxone substitution treatment]. Neuropsychopharmacologia Hungarica, 14(1), 7-17.

Köteles, F., Simor, P., Tolnai, N.(2012). [Psychometric evaluation of the Hungarian version of the Somatic Absorption Scale]. Mentálhigiéné és Pszichoszomatika, 13(4), 375-395.


Simor, P., Köteles, F., Sándor, P., Bódizs, R. (2011) Mindfulness and dream quality: The inverse relationship between mindfulness and negative dream affect. Scandinavian Journal of Psychology, 52(4), 369-375.

Csóka, Sz., Simor, P., Szabo, G., Kopp, M. S., Bódizs, R. (2011) Early maternal separation, nightmares and bad dreams: results from the Hungarostudy Epidemiological Panel. Attachment and Human Development, 13(2), 125-140.

Simor, P., Köteles, F., Bódizs, R. (2011) [Submesrion in the experience: The examination of the Tellegen Absorption Scale in an undergratuate university sample.] Mentálhigiéné és Pszichoszomatika 12(2), 101-123.

Gyollai, Á., Simor, P., Köteles, F., Demetrovics, Zs. (2011) Psychometric properties of the Hungarian version of the original and the short form of the Positive and Negative Affect Schedule (PANAS). Neuropsychopharmacologia Hungarica, 13(2), 73-79.

Köteles, F., Simor, P., Bárdos, Gy. (2011) [Validation and psychometric evaluation of the Hungarian Version of the short Health Anxiety Inventory (SHAI)]. Mentálhigiéné és Pszichoszomatika, 12(3), 191-213.


Simor, P., Csóka, Sz., Bódizs, R. (2010) Nightmares and bad dreams in Borderline Personality Disorder: fantasy as a coping skill? European Journal of Psychiatry24(1), 28-37.


Simor, P., Kovács, I., Vargha, A., Csóka, Sz., Mangel, B., Bódizs, R. (2009) [Nightmares, dream anxiety and psychopathology: The Hungarian adaptation of the Van Dream Anxiety Scale]. Psychiatria Hungarica, 24(6), 428-438.

Simor, P., Köteles, F., Bódizs, R., Bárdos, Gy. (2009) [A questionnaire-based study of subjective sleep quality: The validity of the Hungarian version of the Groningen Sleep Quality Scale]. Mentálhigiéné és Pszichoszomatika, 10(3), 249-261. 


Bódizs, R., Simor, P., Csóka, Sz., Bérdi, M., Kopp, M. S. (2008) Dreaming and health promotion: A theoretical proposal and some epidemiological establishments. European Journal of Mental Health, 3,(1), 35-72.