Nighttime sleep and physical activity in 6-7 month-old infants |
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| Affiliation: | 1. Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States;2. Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States;3. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States;1. Montclair State University, United States;2. The Johns Hopkins University, United States;1. Lancaster University, United Kingdom;2. University of Exeter, United Kingdom;3. University of California, Los Angeles, United States;1. Department of Psychology, Northwestern University, Evanston, IL, United States;2. Institute of Policy Research, Northwestern University, Evanston, IL, United States;1. Département de Psychoéducation, Université de Sherbrooke (Québec), Canada;2. School of Psychology, Université Laval (Québec), Canada;3. University Center for Research on Youth and Families (CRUJeF), (Québec), Canada;4. Groupe de recherche et d’intervention sur les adaptations sociales de l’enfance (GRISE), (Québec), Canada |
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| Abstract: | This study examined associations between objectively-measured nighttime sleep duration and physical activity in a sample of 6–7 month-old infants (N=93). The study also investigated relationships between infant sleep and demographic and environmental characteristics. Cross-sectional relationships were assessed using linear regression analyses. Nighttime sleep duration was positively associated with physical activity levels. Nighttime sleep duration was greater when infants had a consistent bedtime, slept in a separate room, were male, and had mothers who reported having a college education or greater. These findings can inform the development of interventions that aim to improve infant sleep. |
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| Keywords: | Sleep duration Accelerometry Actigraphy Infant |
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