{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:36:42Z","timestamp":1760236602529,"version":"build-2065373602"},"reference-count":122,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2021,12,8]],"date-time":"2021-12-08T00:00:00Z","timestamp":1638921600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003052","name":"Ministry of Trade, Industry and Energy","doi-asserted-by":"publisher","award":["20007942"],"award-info":[{"award-number":["20007942"]}],"id":[{"id":"10.13039\/501100003052","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["NRF-2017R1A5A1015596"],"award-info":[{"award-number":["NRF-2017R1A5A1015596"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the  Excellent researcher support project of Kwangwoon University in 2021","award":["2021"],"award-info":[{"award-number":["2021"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this study, we analyze the effect of a recliner chair with rocking motions on sleep quality of naps using automated sleep scoring and spindle detection models. The quality of sleep corresponding to the two rocking motions was measured quantitatively and qualitatively. For the quantitative evaluation, we conducted a sleep parameter analysis based on the results of the estimated sleep stages obtained on the brainwave and spindle estimation, and a sleep survey assessment from the participants was analyzed for the qualitative evaluation. The analysis showed that sleep in the recliner chair with rocking motions positively increased the duration of the spindles and deep sleep stage, resulting in improved sleep quality.<\/jats:p>","DOI":"10.3390\/s21248214","type":"journal-article","created":{"date-parts":[[2021,12,8]],"date-time":"2021-12-08T23:30:00Z","timestamp":1639006200000},"page":"8214","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Effect of a Recliner Chair with Rocking Motions on Sleep Efficiency"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5913-4471","authenticated-orcid":false,"given":"Suwhan","family":"Baek","sequence":"first","affiliation":[{"name":"Department of Computer engineering, Kwangwoon University, Seoul 01897, Korea"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4750-6941","authenticated-orcid":false,"given":"Hyunsoo","family":"Yu","sequence":"additional","affiliation":[{"name":"Department of Computer engineering, Kwangwoon University, Seoul 01897, Korea"}]},{"given":"Jongryun","family":"Roh","sequence":"additional","affiliation":[{"name":"Digital Transformation RnD Department, Korea Institute of Industrial Technology, Ansan 15588, Korea"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3236-4426","authenticated-orcid":false,"given":"Jungnyun","family":"Lee","sequence":"additional","affiliation":[{"name":"Digital Transformation RnD Department, Korea Institute of Industrial Technology, Ansan 15588, Korea"}]},{"given":"Illsoo","family":"Sohn","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea"}]},{"given":"Sayup","family":"Kim","sequence":"additional","affiliation":[{"name":"Digital Transformation RnD Department, Korea Institute of Industrial Technology, Ansan 15588, Korea"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8042-007X","authenticated-orcid":false,"given":"Cheolsoo","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Computer engineering, Kwangwoon University, Seoul 01897, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/0003-6870(95)00046-1","article-title":"Ageing, physical fitness and shiftwork tolerance","volume":"27","year":"1996","journal-title":"Appl. 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