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Asaka Y, Mitani Y, Ohta H, Nakazawa T, Fukutomi R, Kobayashi K, Kumagai M, Shinohara H, Yoshida M, Ando A, Yoshimura Y, Nakagawa M, Oishi Y, Mizushima M, Adachi H, Kaneshi Y, Morioka K, Seto Y, Shimabukuro R, Hirata M, Ikeda T, Ozawa M, Takeshima M, Manabe A, Takahashi T, Mishima K, Kikuchi M, Yoda H, Kusakawa I, Cho K. Preterm toddlers have low nighttime sleep quality and high daytime activity. Sci Rep 2022; 12:20032. [PMID: 36414705 PMCID: PMC9681750 DOI: 10.1038/s41598-022-24338-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 11/14/2022] [Indexed: 11/23/2022] Open
Abstract
A number of studies have been made on the sleep characteristics of children born preterm in an attempt to develop methods to address the sleep problems commonly observed among such children. However, the reported sleep characteristics from these studies vary depending on the observation methods used, i.e., actigraphy, polysomnography and questionnaire. In the current study, to obtain reliable data on the sleep characteristics of preterm-born children, we investigated the difference in sleep properties between 97 preterm and 97 term toddlers of approximately 1.5 years of age using actigraphy. Actigraphy units were attached to the toddlers' waists with an adjustable elastic belt for 7 consecutive days, and a child sleep diary was completed by their parents. In the study, we found that preterm toddlers had more nocturnal awakenings and more daytime activity, suggesting that preterm-born children may have a different process of sleep development in their early development.
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Affiliation(s)
- Yoko Asaka
- grid.260026.00000 0004 0372 555XDepartment of Maternal and Child Health Nursing, Mie University Graduate School of Medicine, Edobashi 2-174, Tsu, 514-8507 Japan
| | - Yusuke Mitani
- grid.9707.90000 0001 2308 3329Department of Pediatrics, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Hidenobu Ohta
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan ,grid.416859.70000 0000 9832 2227Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-Higashi-Cho, Kodaira, Tokyo 187-8553 Japan ,Department of Psychiatry, Asai Hospital, 38-1 Togane, Chiba, 283-0062 Japan ,grid.251924.90000 0001 0725 8504Department of Occupational Therapy, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Takayo Nakazawa
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Rika Fukutomi
- grid.419588.90000 0001 0318 6320Department of Pediatric Nursing, Graduate School of Nursing Science, St. Luke’s International University, 10-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-0044 Japan
| | - Kyoko Kobayashi
- grid.419588.90000 0001 0318 6320Department of Pediatric Nursing, Graduate School of Nursing Science, St. Luke’s International University, 10-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-0044 Japan
| | - Mayuko Kumagai
- grid.251924.90000 0001 0725 8504Department of Nursing, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Hitomi Shinohara
- grid.462295.e0000 0004 0370 9568Graduate School of Nursing, Hyogo University, 2301 Shinzaike, Hiraoka-Cho, Kakogawa, 675-0195 Japan
| | - Michiko Yoshida
- grid.39158.360000 0001 2173 7691Department of Nursing, Faculty of Health Sciences, Hokkaido University, N12, W5, Kita-Ku, Sapporo, 060-0812 Japan
| | - Akiko Ando
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Yuko Yoshimura
- grid.9707.90000 0001 2308 3329Institute of Human and Social Sciences, Kanazawa University, Kakuma-Machi, Kanazawa, 921-1192 Japan ,grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Machiko Nakagawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.452874.80000 0004 1771 2506Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-Nishi, Ota-Ku, Tokyo, 143-8541 Japan
| | - Yoshihisa Oishi
- grid.414929.30000 0004 1763 7921Department of Pediatrics, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935 Japan
| | - Masato Mizushima
- Department of Neonatology, Sapporo City Hospital, N11, W13, Chuo-Ku, Sapporo, 060-8604 Japan
| | - Hiroyuki Adachi
- grid.251924.90000 0001 0725 8504Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543 Japan
| | - Yosuke Kaneshi
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Keita Morioka
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Yoshitaka Seto
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Rinshu Shimabukuro
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.63906.3a0000 0004 0377 2305Department of General Pediatrics and Interdisciplinary Medicine, National Center for Child Health and Development, 2-10-1 Ohkura, Setagaya-Ku, Tokyo, 157-8535 Japan
| | - Michio Hirata
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.411827.90000 0001 2230 656XDepartment of Child Studies, Faculty of Human Sciences and Design, Japan Women’s University, 2-8-1 Mejirodai, Bunkyo-Ku, Tokyo, 112-8681 Japan
| | - Takashi Ikeda
- grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Miwa Ozawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan
| | - Masahiro Takeshima
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Atsushi Manabe
- grid.39158.360000 0001 2173 7691Department of Pediatrics, Hokkaido University Graduate School of Medicine, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Tsutomu Takahashi
- grid.251924.90000 0001 0725 8504Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543 Japan
| | - Kazuo Mishima
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Mitsuru Kikuchi
- grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan ,grid.9707.90000 0001 2308 3329Department of Psychiatry and Neurobiology, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Hitoshi Yoda
- grid.452874.80000 0004 1771 2506Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-Nishi, Ota-Ku, Tokyo, 143-8541 Japan
| | - Isao Kusakawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan
| | - Kazutoshi Cho
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
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