Personality traits relate to chronotype at both the phenotypic and genetic level

Lenneis A, Vainik U, Teder-Laving M, Ausmees L, Lemola S, Allik J, Realo A (2021)
Journal of Personality .

Zeitschriftenaufsatz | E-Veröff. vor dem Druck | Englisch
 
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Autor*in
Lenneis, Anita; Vainik, Uku; Teder-Laving, Maris; Ausmees, Liisi; Lemola, SakariUniBi; Allik, Juri; Realo, Anu
Abstract / Bemerkung
Introduction Diurnal preferences have been linked to personality but often with mixed results. The present study examines the relationships between sleep timing (chronotype), diurnal preferences, and the Five-Factor Model of personality traits at the phenotypic and genetic level. Methods Self- and informant-reports of the NEO Personality Inventory-3, self-reports of the Munich Chronotype Questionnaire, and DNA samples were available for 2,515 Estonian adults (M-age = 45.76 years; 59% females). Genetic correlations were obtained through summary statistics of genome-wide association studies. Results Results showed that higher Conscientiousness and lower Openness to Experience were significant predictors of earlier chronotype. At the level of facets, we found that more straightforward (A2) and excitement-seeking (E5), yet less self-disciplined (C5) people were more likely to have later chronotypes. The nuance-level Polypersonality score was correlated with chronotype at r = .28 (p < .001). Conscientiousness and Openness were genetically related with diurnal preferences. The polygenic score for morningness-eveningness significantly predicted the Polypersonality score. Conclusion Phenotypic measures of chronotype and personality showed significant associations at all three of levels of the personality hierarchy. Our findings indicate that the relationship between personality and morningness-eveningness is partly due to genetic factors. Future studies are necessary to further refine the relationship.
Stichworte
chronotype; domains; facets; FFM personality traits; items; morningness-eveningness; polygenic scores; self- and informant-reports; genetic correlations
Erscheinungsjahr
2021
Zeitschriftentitel
Journal of Personality
ISSN
0022-3506
eISSN
1467-6494
Page URI
https://pub.uni-bielefeld.de/record/2955686

Zitieren

Lenneis A, Vainik U, Teder-Laving M, et al. Personality traits relate to chronotype at both the phenotypic and genetic level. Journal of Personality . 2021.
Lenneis, A., Vainik, U., Teder-Laving, M., Ausmees, L., Lemola, S., Allik, J., & Realo, A. (2021). Personality traits relate to chronotype at both the phenotypic and genetic level. Journal of Personality . https://doi.org/10.1111/jopy.12645
Lenneis, A., Vainik, U., Teder-Laving, M., Ausmees, L., Lemola, S., Allik, J., and Realo, A. (2021). Personality traits relate to chronotype at both the phenotypic and genetic level. Journal of Personality .
Lenneis, A., et al., 2021. Personality traits relate to chronotype at both the phenotypic and genetic level. Journal of Personality .
A. Lenneis, et al., “Personality traits relate to chronotype at both the phenotypic and genetic level”, Journal of Personality , 2021.
Lenneis, A., Vainik, U., Teder-Laving, M., Ausmees, L., Lemola, S., Allik, J., Realo, A.: Personality traits relate to chronotype at both the phenotypic and genetic level. Journal of Personality . (2021).
Lenneis, Anita, Vainik, Uku, Teder-Laving, Maris, Ausmees, Liisi, Lemola, Sakari, Allik, Juri, and Realo, Anu. “Personality traits relate to chronotype at both the phenotypic and genetic level”. Journal of Personality (2021).

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PMID: 33998684
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