The longitudinal associations between temperament and sleep during the first year of life |
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| Affiliation: | 1. Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland;2. Institute for Mental Health, School of Psychology, University of Birmingham, United Kingdom;3. FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku;4. Department of Medical Psychology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Germany;5. Department of Psychiatry, Turku University Hospital and University of Turku, Finland;6. Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland;7. Pediatric Research Center, Child Psychiatry, University of Helsinki and Helsinki University Hospital, Finland;8. Department of Child Psychiatry, Turku University Hospital and University of Turku, Finland;9. Turku Institute for Advanced Studies, Department of Psychology and Speech-Language Pathology, University of Turku, Finland;1. Department of Linguistics and Translation, International Laboratory for Brain, Music & Sound Research (BRAMS), University of Montreal, C. P. 6128, Succursale Centre-ville, Montréal, Québec H3C 3J7, Canada;2. Department of Psychology, Huron University College at Western, London, Ontario, Canada;1. The Pennsylvania State University, University Park, PA, USA;2. University of Delaware, DE, USA;3. University of Oregon, Eugene, OR, USA;4. University of Pittsburgh, Pittsburgh, PA, USA;5. George Washington University, Washington D.C., USA;6. Yale Child Study Center, Yale University School of Medicine, New Haven, CT, USA;7. University of California, Riverside, Riverside, CA, USA;1. Hacettepe University Faculty of Medicine, Department of Pediatrics, Division of Developmental Pediatrics, Ankara, Turkey;2. Atılım University, Department of Psychology, Ankara, Turkey |
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| Abstract: | Temperament and sleep in infants are related but also distinct concepts. The longitudinal effects of temperament on sleep in infancy remain unclear, although this information is potentially important for the prevention and treatment of early sleep problems. We examined how various temperament features influence sleep development during the first year of life in a large birth cohort. This study comprised mother-infant dyads with complete longitudinal data on sleep, temperament and sociodemographic measurements at six and 12 months (N = 1436). We observed that higher infant Negative Affectivity was related to several sleep problems, and that many subscales of Negative Affectivity and Orienting/Regulation predicted worse sleep and deterioration in sleep problems from six to 12 months. Few associations between Surgency and sleep were found. Our findings highlight especially Negative Affectivity as a risk factor for persistent and increasing sleep problems, and also the specific importance of the fine-grained aspects of temperament in predicting infant sleep development. |
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| Keywords: | Infants Sleep Temperament Reactivity Self-regulation |
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