Actigraphic sleep and developmental progress of one-year-old infants

Sleep and Biological RhythmsVolume 10, Issue 2 p. 77-83 Actigraphic sleep and developmental progress of one-year-old infants Rosemary GIBSON, Corresponding Author Rosemary GIBSON Sleep/Wake Research Centre, Massey UniversityMs Rosemary Gibson, Sleep/Wake Research Centre, Massey University, Private Bag 756, Wellington, New Zealand. Email: [email protected]Search for more papers by this authorDawn ELDER, Dawn ELDER Paediatrics and Child Health, University of Otago, Wellington, New ZealandSearch for more papers by this authorPhilippa GANDER, Philippa GANDER Sleep/Wake Research Centre, Massey UniversitySearch for more papers by this author Rosemary GIBSON, Corresponding Author Rosemary GIBSON Sleep/Wake Research Centre, Massey UniversityMs Rosemary Gibson, Sleep/Wake Research Centre, Massey University, Private Bag 756, Wellington, New Zealand. Email: [email protected]Search for more papers by this authorDawn ELDER, Dawn ELDER Paediatrics and Child Health, University of Otago, Wellington, New ZealandSearch for more papers by this authorPhilippa GANDER, Philippa GANDER Sleep/Wake Research Centre, Massey UniversitySearch for more papers by this author First published: 07 December 2011 https://doi.org/10.1111/j.1479-8425.2011.00525.xCitations: 3Read the full textAboutPDF ToolsExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract The aims of this study were to pilot methods to monitor the sleep of infants, as well as explore the relationships between infant sleep and physical, cognitive and motor development. Fifty-two one-year-old infants and their parents participated in the study. Infant sleep was assessed by one week's actigraphy, sleep diaries and by the Brief Infant Sleep Questionnaire. Parents also completed a background questionnaire and the Ages and Stages Questionnaire to measure stages of development across five domains. Infant's weight and length were measured by the researcher at study onset and Body Mass Index (BMI) scores were calculated. Sleep efficiency, and having a higher proportion of total sleep at night, were significantly correlated with age as well as stages of cognitive and motor development. However, sleep measures were not correlated with infant BMI. These findings support increasing evidence that sleep matures quickly around the age of one year and is related to other stages of development. Further research is required to confirm whether links between sleep and development are simply a marker of maturation, or if sleep per se plays a specific role in infant cognitive and motor development. Sleep and physical growth at this age need further investigation with a more representative sample including short-sleeping and overweight infants. REFERENCES 1 Suzuki M, Nakamura T, Kohyama J, Nomura Y, Segawa M. Children's ability to copy triangular figures is affected by their sleep-wakefulness rhythms. Sleep Biol. Rhythms 2005; 3: 86–91. 2 Spruyt K, Aitken RJ, So K, Charlton M, Adamson TM, Horne RSC. Relationship between sleep/wake patterns, temperament and overall development in term infants over the first year of life. Early Hum. Dev. 2008; 84: 289–96. 3 Stickgold R. Sleep-dependent memory consolidation. 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