{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T03:19:20Z","timestamp":1783048760034,"version":"3.54.6"},"reference-count":37,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T00:00:00Z","timestamp":1779840000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Sleep Medicine"],"published-print":{"date-parts":[[2026,9]]},"DOI":"10.1016\/j.sleep.2026.109046","type":"journal-article","created":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T16:36:21Z","timestamp":1779899781000},"page":"109046","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"special_numbering":"C","title":["The impact of actigraphy parameter choices on sleep estimates in one-month-old infants"],"prefix":"10.1016","volume":"145","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-5969-340X","authenticated-orcid":false,"given":"Zeina","family":"Halbouty","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lamine","family":"Youbi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Veronique","family":"Bach","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephane","family":"Delanaud","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elodie","family":"Haraux","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen","family":"Chardon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"Suppl 1","key":"10.1016\/j.sleep.2026.109046_bib1","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1159\/000508055","article-title":"Sleep and early brain development","volume":"75","author":"Jiang","year":"2019","journal-title":"Ann Nutr Metab"},{"issue":"11","key":"10.1016\/j.sleep.2026.109046_bib2","doi-asserted-by":"crossref","first-page":"1449","DOI":"10.1093\/sleep\/32.11.1449","article-title":"A review of the effects of sleep during the first year of life on cognitive, psychomotor, and temperament development","volume":"32","author":"Ednick","year":"2009","journal-title":"Sleep"},{"key":"10.1016\/j.sleep.2026.109046_bib3","doi-asserted-by":"crossref","first-page":"135","DOI":"10.2147\/NSS.S125992","article-title":"Infant sleep and its relation with cognition and growth: a narrative review","volume":"9","author":"Tham","year":"2017","journal-title":"Nature and Science of Sleep [Internet]"},{"key":"10.1016\/j.sleep.2026.109046_bib4","doi-asserted-by":"crossref","DOI":"10.1016\/j.infbeh.2022.101713","article-title":"Cumulative risk, infant sleep, and infant social-emotional development","volume":"67","author":"Lobermeier","year":"2022","journal-title":"Infant Behav Dev"},{"issue":"2","key":"10.1016\/j.sleep.2026.109046_bib5","first-page":"29","article-title":"Sleep regulation, physiology and development, sleep duration and patterns, and sleep hygiene in infants, toddlers, and preschool-age children","volume":"47","author":"Bathory","year":"2017","journal-title":"Curr Probl Pediatr Adolesc Health Care"},{"issue":"4","key":"10.1016\/j.sleep.2026.109046_bib6","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1002\/wcs.52","article-title":"Sleep and cognition","volume":"1","author":"Deak","year":"2010","journal-title":"Wiley Interdiscip Rev Cogn Sci [Internet]"},{"issue":"2","key":"10.1016\/j.sleep.2026.109046_bib7","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/S0378-3782(02)00018-X","article-title":"Sleep\u2013wake patterns in preterm infants and 6 month's home environment: implications for early cognitive development","volume":"68","author":"Gertner","year":"2002","journal-title":"Early Hum Dev"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib8","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1080\/87565641.2014.973498","article-title":"Infant sleep predicts attention regulation and behavior problems at 3\u20134 years of age","volume":"40","author":"Sadeh","year":"2015","journal-title":"Developmental Neuropsychology [Internet]"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib9","doi-asserted-by":"crossref","first-page":"130","DOI":"10.1016\/S0891-5245(03)00150-0","article-title":"Sleep in infants and young children: part two: common sleep problems","volume":"18","author":"Davis","year":"2004","journal-title":"J Pediatr Health Care"},{"key":"10.1016\/j.sleep.2026.109046_bib10","doi-asserted-by":"crossref","first-page":"S266","DOI":"10.1139\/apnm-2015-0627","article-title":"Systematic review of the relationships between sleep duration and health indicators in school-aged children and youth","author":"Chaput","year":"2016","journal-title":"Appl Physiol Nutr Metab"},{"issue":"7","key":"10.1016\/j.sleep.2026.109046_bib11","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1016\/j.earlhumdev.2010.05.020","article-title":"The link between sleep problems in infancy and early childhood and attention problems at 5 and 14 years: evidence from a birth cohort study","volume":"86","author":"O'Callaghan","year":"2010","journal-title":"Early Human Development [Internet]"},{"issue":"1","key":"10.1016\/j.sleep.2026.109046_bib12","doi-asserted-by":"crossref","DOI":"10.1093\/sleepadvances\/zpae013","article-title":"Longitudinal study of childhood sleep trajectories and adolescent mental health problems","volume":"5","author":"Touchette","year":"2024","journal-title":"Sleep Adv"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib13","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1055\/s-0035-1550232","article-title":"Methods in pediatric sleep research and sleep medicine","volume":"46","author":"Mouthon","year":"2015","journal-title":"Neuropediatrics"},{"issue":"1","key":"10.1016\/j.sleep.2026.109046_bib14","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1111\/mono.12143","article-title":"Iii","volume":"80","author":"Sadeh","year":"2015","journal-title":"Sleep assessment methods Monogr Soc Res Child Dev"},{"issue":"4","key":"10.1016\/j.sleep.2026.109046_bib15","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1007\/s40675-020-00197-5","article-title":"Clinician-Focused overview and developments in polysomnography","volume":"6","author":"Markun","year":"2020","journal-title":"Curr Sleep Med Rep"},{"issue":"4","key":"10.1016\/j.sleep.2026.109046_bib16","doi-asserted-by":"crossref","first-page":"494","DOI":"10.1542\/peds.87.4.494","article-title":"Actigraphic home-monitoring sleep-disturbed and control infants and young children: a new method for pediatric assessment of sleep-wake patterns","volume":"87","author":"Sadeh","year":"1991","journal-title":"Pediatrics"},{"issue":"4","key":"10.1016\/j.sleep.2026.109046_bib17","doi-asserted-by":"crossref","first-page":"350","DOI":"10.1093\/annweh\/wxaa007","article-title":"Actigraphy-Based assessment of sleep parameters","volume":"64","author":"Fekedulegn","year":"2020","journal-title":"Ann Work Exposures Health"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib18","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1016\/0163-6383(95)90021-7","article-title":"Activity-based assessment of sleep-wake patterns during the 1st year of life","volume":"18","author":"Sadeh","year":"1995","journal-title":"Infant Behav Dev"},{"issue":"4","key":"10.1016\/j.sleep.2026.109046_bib19","doi-asserted-by":"crossref","first-page":"761","DOI":"10.1203\/01.PDR.0000180568.97221.56","article-title":"Actigraphy correctly predicts sleep behavior in infants who are younger than six months, when compared with polysomnography","volume":"58","author":"So","year":"2005","journal-title":"Pediatr Res"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib20","doi-asserted-by":"crossref","first-page":"429","DOI":"10.5664\/jcsm.5600","article-title":"The Visual Scoring of Sleep in Infants 0 to 2 Months of Age","volume":"12","author":"Grigg-Damberger","year":"2016","journal-title":"J Clin Sleep Med"},{"issue":"2","key":"10.1016\/j.sleep.2026.109046_bib21","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/S0165-0270(00)00364-2","article-title":"Sleep estimation from wrist movement quantified by different actigraphic modalities","volume":"105","author":"Jean-Louis","year":"2001","journal-title":"J Neurosci Methods"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib22","doi-asserted-by":"crossref","DOI":"10.1111\/jsr.13134","article-title":"Actigraphy in sleep research with infants and young children: current practices and future benefits of standardized reporting","volume":"30","author":"Schoch","year":"2021","journal-title":"J Sleep Res"},{"issue":"2","key":"10.1016\/j.sleep.2026.109046_bib23","doi-asserted-by":"crossref","DOI":"10.1093\/sleep\/zsad155","article-title":"Comparison of sleep parameters from wrist-worn ActiGraph and Actiwatch devices","volume":"47","author":"Liu","year":"2024","journal-title":"Sleep"},{"key":"10.1016\/j.sleep.2026.109046_bib24","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1016\/j.sleep.2023.05.003","article-title":"Assessing sleep in children with Down syndrome: Comparison of parental sleep diaries, actigraphy and polysomnography","volume":"107","author":"Horne","year":"2023","journal-title":"Sleep Med"},{"issue":"1","key":"10.1016\/j.sleep.2026.109046_bib25","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1111\/j.1651-2227.2008.01002.x","article-title":"Validation of actigraphy for determining sleep and wake in preterm infants","volume":"98","author":"Sung","year":"2009","journal-title":"Acta Paediatr"},{"issue":"3","key":"10.1016\/j.sleep.2026.109046_bib26","doi-asserted-by":"crossref","first-page":"213","DOI":"10.1016\/j.smrv.2011.06.001","article-title":"Normal sleep patterns in infants and children: a systematic review of observational studies","volume":"16","author":"Galland","year":"2012","journal-title":"Sleep Med Rev"},{"key":"10.1016\/j.sleep.2026.109046_bib27","series-title":"Reprint","first-page":"567","article-title":"Statistical power analysis for the behavioral sciences","author":"Cohen","year":"2009"},{"key":"10.1016\/j.sleep.2026.109046_bib29","series-title":"Sommeil du jeune enfant dans la cohorte ELFE : r\u00f4le des habitudes du sommeil et de l\u2019alimentation [Theses]","author":"Messayke","year":"2020"},{"key":"10.1016\/j.sleep.2026.109046_bib30","doi-asserted-by":"crossref","unstructured":"Hammad G, Schoch SF, Engelmann M, et al. Charting infant sleep cycle development using actigraphy: longitudinal evidence for cycle lengthening within the first year of life from 35,000 hours of sleep. doi: https:\/\/doi.org\/10.1101\/2025.07.10.664225.","DOI":"10.1101\/2025.07.10.664225"},{"issue":"1","key":"10.1016\/j.sleep.2026.109046_bib31","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1038\/s41598-020-79294-y","article-title":"Efficient embedded sleep wake classification for open-source actigraphy","volume":"11","author":"Banfi","year":"2021","journal-title":"Sci Rep"},{"issue":"1","key":"10.1016\/j.sleep.2026.109046_bib32","doi-asserted-by":"crossref","DOI":"10.1111\/jsr.13437","article-title":"Validation of actigraphy in hospitalised newborn infants using video polysomnography","volume":"31","author":"Unno","year":"2022","journal-title":"J Sleep Res"},{"issue":"1","key":"10.1016\/j.sleep.2026.109046_bib33","doi-asserted-by":"crossref","DOI":"10.1111\/jsr.13444","article-title":"Actigraphy: metrics reveal it is not a valid tool for determining sleep in neonates","volume":"31","author":"Derbin","year":"2022","journal-title":"J Sleep Res"},{"issue":"11","key":"10.1016\/j.sleep.2026.109046_bib34","doi-asserted-by":"crossref","first-page":"1815","DOI":"10.1016\/S1388-2457(02)00287-0","article-title":"Actigraphic assessment of sleep-wake rhythm during the first 6 months of life","volume":"113","author":"Gnidovec","year":"2002","journal-title":"Clin Neurophysiol"},{"issue":"5","key":"10.1016\/j.sleep.2026.109046_bib35","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1016\/j.smrv.2011.10.002","article-title":"Use of actigraphy for assessment in pediatric sleep research","volume":"16","author":"Meltzer","year":"2012","journal-title":"Sleep Medicine Reviews [Internet]"},{"issue":"2","key":"10.1016\/j.sleep.2026.109046_bib36","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1007\/s10995-022-03545-9","article-title":"The Architecture of early childhood sleep over the first two years","volume":"27","author":"Lenehan","year":"2023","journal-title":"Matern Child Health J"},{"issue":"7","key":"10.1016\/j.sleep.2026.109046_bib37","doi-asserted-by":"crossref","first-page":"1540","DOI":"10.1111\/apa.17237","article-title":"To sleep or to breastfeed: associations between feeding method and sleep in infants and children","volume":"113","author":"Hershon","year":"2024","journal-title":"Acta Paediatr"},{"issue":"10017","key":"10.1016\/j.sleep.2026.109046_bib38","doi-asserted-by":"crossref","first-page":"475","DOI":"10.1016\/S0140-6736(15)01024-7","article-title":"Breastfeeding in the 21st century: epidemiology, mechanisms, and lifelong effect","volume":"387","author":"Victora","year":"2016","journal-title":"Lancet"}],"container-title":["Sleep Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1389945726002856?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1389945726002856?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T02:56:11Z","timestamp":1783047371000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1389945726002856"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9]]},"references-count":37,"alternative-id":["S1389945726002856"],"URL":"https:\/\/doi.org\/10.1016\/j.sleep.2026.109046","relation":{},"ISSN":["1389-9457"],"issn-type":[{"value":"1389-9457","type":"print"}],"subject":[],"published":{"date-parts":[[2026,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The impact of actigraphy parameter choices on sleep estimates in one-month-old infants","name":"articletitle","label":"Article Title"},{"value":"Sleep Medicine","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.sleep.2026.109046","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Authors. Published by Elsevier B.V.","name":"copyright","label":"Copyright"}],"article-number":"109046"}}