{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T00:40:02Z","timestamp":1792456802052,"version":"4.5.0"},"reference-count":30,"publisher":"Springer Science and Business Media LLC","issue":"5","license":[{"start":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T00:00:00Z","timestamp":1788307200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T00:00:00Z","timestamp":1788307200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"funder":[{"name":"This work was supported by Smart Watch Innovation for Next Geriatrics & Gerontology Project of Tokyo Metropolitan Government."}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Sleep Breath"],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.1007\/s11325-026-03790-0","type":"journal-article","created":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T00:27:30Z","timestamp":1788308850000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["In-home validation of wrist actigraphy against portable electroencephalography for sleep assessment in older adults"],"prefix":"10.1007","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3712-7430","authenticated-orcid":false,"given":"Naoki","family":"Deguchi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-8728-5071","authenticated-orcid":false,"given":"Sho","family":"Hatanaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-4887-194X","authenticated-orcid":false,"given":"Kaori","family":"Daimaru","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3093-0386","authenticated-orcid":false,"given":"Kazushi","family":"Maruo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8120-6163","authenticated-orcid":false,"given":"Hiroyuki","family":"Sasai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,9,2]]},"reference":[{"key":"3790_CR1","doi-asserted-by":"publisher","first-page":"9","DOI":"10.5665\/sleep.3298","volume":"37","author":"DJ Buysse","year":"2014","unstructured":"Buysse DJ (2014) Sleep health: can we define it? Does it matter? Sleep 37:9\u201317. https:\/\/doi.org\/10.5665\/sleep.3298","journal-title":"Sleep"},{"key":"3790_CR2","doi-asserted-by":"publisher","first-page":"1161","DOI":"10.5665\/sleep.4886","volume":"38","author":"NF Watson","year":"2015","unstructured":"Watson NF, Badr MS, Belenky G, Bliwise DL, Buxton OM, Buysse D, Dinges DF, Gangwisch J, Grandner MA, Kushida C, Malhotra RK, Martin JL, Patel SR, Quan SF, Tasali E (2015) Joint consensus statement of the American Academy of Sleep Medicine and Sleep Research Society on the recommended amount of sleep for a healthy adult: methodology and discussion. Sleep 38:1161\u20131183. https:\/\/doi.org\/10.5665\/sleep.4886","journal-title":"Sleep"},{"key":"3790_CR3","doi-asserted-by":"publisher","first-page":"161","DOI":"10.1016\/j.jsmc.2022.02.007","volume":"17","author":"J Li","year":"2022","unstructured":"Li J, Vitiello MV, Gooneratne NS (2022) Sleep in normal aging. Sleep Med Clin 17:161\u2013171. https:\/\/doi.org\/10.1016\/j.jsmc.2022.02.007","journal-title":"Sleep Med Clin"},{"key":"3790_CR4","doi-asserted-by":"publisher","first-page":"431","DOI":"10.1016\/j.mcna.2014.11.013","volume":"99","author":"JC Rodriguez","year":"2015","unstructured":"Rodriguez JC, Dzierzewski JM, Alessi CA (2015) Sleep problems in the elderly. Med Clin North Am 99:431\u2013439. https:\/\/doi.org\/10.1016\/j.mcna.2014.11.013","journal-title":"Med Clin North Am"},{"key":"3790_CR5","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2412895121","volume":"122","author":"M Masaki","year":"2025","unstructured":"Masaki M, Tsumoto S, Tani A, Tominaga M, Seol J, Chiba S, Miyanishi K, Nishida K, Kawana F, Amemiya T, Hiei T, Kanbayashi T, Yanagisawa M (2025) Discrepancies between subjective and objective sleep assessments revealed by in-home electroencephalography during real-world sleep. Proc Natl Acad Sci U S A 122:e2412895121. https:\/\/doi.org\/10.1073\/pnas.2412895121","journal-title":"Proc Natl Acad Sci U S A"},{"key":"3790_CR6","doi-asserted-by":"publisher","first-page":"287","DOI":"10.1016\/j.ccm.2010.02.005","volume":"31","author":"B Jafari","year":"2010","unstructured":"Jafari B, Mohsenin V (2010) Polysomnography. Clin Chest Med 31:287\u2013297. https:\/\/doi.org\/10.1016\/j.ccm.2010.02.005","journal-title":"Clin Chest Med"},{"key":"3790_CR7","doi-asserted-by":"publisher","first-page":"795","DOI":"10.1016\/j.psychres.2012.07.045","volume":"200","author":"J Newell","year":"2012","unstructured":"Newell J, Mairesse O, Verbanck P, Neu D (2012) Is a one-night stay in the lab really enough to conclude? First-night effect and night-to-night variability in polysomnographic recordings among different clinical population samples. Psychiatry Res 200:795\u2013801. https:\/\/doi.org\/10.1016\/j.psychres.2012.07.045","journal-title":"Psychiatry Res"},{"key":"3790_CR8","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2024.101951","volume":"76","author":"CJ de Gans","year":"2024","unstructured":"de Gans CJ, Burger P, van den Ende ES, Hermanides J, Nanayakkara PWB, Gemke R, Rutters F, Stenvers DJ (2024) Sleep assessment using EEG-based wearables - a systematic review. Sleep Med Rev 76:101951. https:\/\/doi.org\/10.1016\/j.smrv.2024.101951","journal-title":"Sleep Med Rev"},{"key":"3790_CR9","doi-asserted-by":"publisher","first-page":"1514","DOI":"10.1378\/chest.10-1872","volume":"139","author":"JL Martin","year":"2011","unstructured":"Martin JL, Hakim AD (2011) Wrist actigraphy. Chest 139:1514\u20131527. https:\/\/doi.org\/10.1378\/chest.10-1872","journal-title":"Chest"},{"key":"3790_CR10","doi-asserted-by":"publisher","first-page":"350","DOI":"10.1093\/annweh\/wxaa007","volume":"64","author":"D Fekedulegn","year":"2020","unstructured":"Fekedulegn D, Andrew ME, Shi M, Violanti JM, Knox S, Innes KE (2020) Actigraphy-based assessment of sleep parameters. Ann Work Expo Health 64:350\u2013367. https:\/\/doi.org\/10.1093\/annweh\/wxaa007","journal-title":"Ann Work Expo Health"},{"key":"3790_CR11","doi-asserted-by":"publisher","first-page":"342","DOI":"10.1093\/sleep\/26.3.342","volume":"26","author":"S Ancoli-Israel","year":"2003","unstructured":"Ancoli-Israel S, Cole R, Alessi C, Chambers M, Moorcroft W, Pollak CP (2003) The role of actigraphy in the study of sleep and circadian rhythms. Sleep 26:342\u2013392. https:\/\/doi.org\/10.1093\/sleep\/26.3.342","journal-title":"Sleep"},{"key":"3790_CR12","doi-asserted-by":"publisher","first-page":"1209","DOI":"10.5664\/jcsm.7228","volume":"14","author":"MT Smith","year":"2018","unstructured":"Smith MT, McCrae CS, Cheung J, Martin JL, Harrod CG, Heald JL, Carden KA (2018) Use of actigraphy for the evaluation of sleep disorders and circadian rhythm sleep-wake disorders: an American Academy of Sleep Medicine systematic review, meta-analysis, and GRADE assessment. J Clin Sleep Med 14:1209\u20131230. https:\/\/doi.org\/10.5664\/jcsm.7228","journal-title":"J Clin Sleep Med"},{"key":"3790_CR13","doi-asserted-by":"crossref","unstructured":"Deguchi N, Hatanaka S, Daimaru K, Wakui T, Fujihara S, Imamura K, Kawai H, Maruo K, Sasai H (2026) In-home validation of wrist- and waist-worn devices against portable electroencephalography for sleep assessment in older adults. Sleep Med 144:108958. https:\/\/pubmed.ncbi.nlm.nih.gov\/41990417\/","DOI":"10.1016\/j.sleep.2026.108958"},{"key":"3790_CR14","doi-asserted-by":"publisher","first-page":"176","DOI":"10.1111\/ggi.14759","volume":"24","author":"N Deguchi","year":"2024","unstructured":"Deguchi N, Osuka Y, Kojima N, Motokawa K, Iwasaki M, Inagaki H, Miyamae F, Okamura T, Hirano H, Awata S, Sasai H (2024) Questionnaire for Medical Checkup of Old-Old is non-inferior to the Kihon Checklist in screening frailty among independent older adults aged 75 years and older: the Itabashi Longitudinal Study on Aging. Geriatr Gerontol Int 24:176\u2013181. https:\/\/doi.org\/10.1111\/ggi.14759","journal-title":"Geriatr Gerontol Int"},{"key":"3790_CR15","doi-asserted-by":"publisher","first-page":"165","DOI":"10.1016\/s0165-1781(00)00232-8","volume":"97","author":"Y Doi","year":"2000","unstructured":"Doi Y, Minowa M, Uchiyama M, Okawa M, Kim K, Shibui K, Kamei Y (2000) Psychometric assessment of subjective sleep quality using the Japanese version of the Pittsburgh Sleep Quality Index (PSQI-J) in psychiatric disordered and control subjects. Psychiatry Res 97:165\u2013172. https:\/\/doi.org\/10.1016\/s0165-1781(00)00232-8","journal-title":"Psychiatry Res"},{"key":"3790_CR16","doi-asserted-by":"publisher","unstructured":"Sugishita M, Hemmi I (2010) Validity and reliability of Mini Mental State Examination\u2010Japanese (MMSE\u2010J): a preliminary report. Jpn J Cogn Neurosci 12:186. https:\/\/doi.org\/10.11253\/ninchishinkeikagaku.12.186","DOI":"10.11253\/ninchishinkeikagaku.12.186"},{"key":"3790_CR17","doi-asserted-by":"publisher","first-page":"233","DOI":"10.1080\/07317115.2016.1199452","volume":"40","author":"K Sugishita","year":"2017","unstructured":"Sugishita K, Sugishita M, Hemmi I, Asada T, Tanigawa T (2017) A validity and reliability study of the Japanese version of the Geriatric Depression Scale 15 (GDS-15-J). Clin Gerontol 40:233\u2013240. https:\/\/doi.org\/10.1080\/07317115.2016.1199452","journal-title":"Clin Gerontol"},{"key":"3790_CR18","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-024-53827-1","volume":"14","author":"J Seol","year":"2024","unstructured":"Seol J, Chiba S, Kawana F, Tsumoto S, Masaki M, Tominaga M, Amemiya T, Tani A, Hiei T, Yoshimine H, Kondo H, Yanagisawa M (2024) Validation of sleep-staging accuracy for an in-home sleep electroencephalography device compared with simultaneous polysomnography in patients with obstructive sleep apnea. Sci Rep 14:3533. https:\/\/doi.org\/10.1038\/s41598-024-53827-1","journal-title":"Sci Rep"},{"key":"3790_CR19","doi-asserted-by":"publisher","first-page":"461","DOI":"10.1093\/sleep\/15.5.461","volume":"15","author":"RJ Cole","year":"1992","unstructured":"Cole RJ, Kripke DF, Gruen W, Mullaney DJ, Gillin JC (1992) Automatic sleep\/wake identification from wrist activity. Sleep 15:461\u2013469. https:\/\/doi.org\/10.1093\/sleep\/15.5.461","journal-title":"Sleep"},{"key":"3790_CR20","doi-asserted-by":"publisher","first-page":"612","DOI":"10.1111\/j.1365-2869.2010.00835.x","volume":"19","author":"DF Kripke","year":"2010","unstructured":"Kripke DF, Hahn EK, Grizas AP, Wadiak KH, Loving RT, Poceta JS, Shadan FF, Cronin JW, Kline LE (2010) Wrist actigraphic scoring for sleep laboratory patients: algorithm development. J Sleep Res 19:612\u2013619. https:\/\/doi.org\/10.1111\/j.1365-2869.2010.00835.x","journal-title":"J Sleep Res"},{"key":"3790_CR21","doi-asserted-by":"publisher","first-page":"259","DOI":"10.1016\/j.smrv.2010.10.001","volume":"15","author":"A Sadeh","year":"2011","unstructured":"Sadeh A (2011) The role and validity of actigraphy in sleep medicine: an update. Sleep Med Rev 15:259\u2013267. https:\/\/doi.org\/10.1016\/j.smrv.2010.10.001","journal-title":"Sleep Med Rev"},{"key":"3790_CR22","doi-asserted-by":"publisher","first-page":"95","DOI":"10.5664\/jcsm.5404","volume":"12","author":"RR Markwald","year":"2016","unstructured":"Markwald RR, Bessman SC, Reini SA, Drummond SP (2016) Performance of a portable sleep monitoring device in individuals with high versus low sleep efficiency. J Clin Sleep Med 12:95\u2013103. https:\/\/doi.org\/10.5664\/jcsm.5404","journal-title":"J Clin Sleep Med"},{"key":"3790_CR23","doi-asserted-by":"publisher","first-page":"571","DOI":"10.1080\/10543400701329422","volume":"17","author":"JM Bland","year":"2007","unstructured":"Bland JM, Altman DG (2007) Agreement between methods of measurement with multiple observations per individual. J Biopharm Stat 17:571\u2013582. https:\/\/doi.org\/10.1080\/10543400701329422","journal-title":"J Biopharm Stat"},{"key":"3790_CR24","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1016\/j.jcm.2016.02.012","volume":"15","author":"TK Koo","year":"2016","unstructured":"Koo TK, Li MY (2016) A guideline of selecting and reporting intraclass correlation coefficients for reliability research. J Chiropr Med 15:155\u2013163. https:\/\/doi.org\/10.1016\/j.jcm.2016.02.012","journal-title":"J Chiropr Med"},{"key":"3790_CR25","doi-asserted-by":"publisher","first-page":"400","DOI":"10.1080\/07420528.2020.1835942","volume":"38","author":"G Regalia","year":"2021","unstructured":"Regalia G, Gerboni G, Migliorini M, Lai M, Pham J, Puri N, Pavlova MK, Picard RW, Sarkis RA, Onorati F (2021) Sleep assessment by means of a wrist actigraphy-based algorithm: agreement with polysomnography in an ambulatory study on older adults. Chronobiol Int 38:400\u2013414. https:\/\/doi.org\/10.1080\/07420528.2020.1835942","journal-title":"Chronobiol Int"},{"key":"3790_CR26","doi-asserted-by":"publisher","first-page":"217","DOI":"10.5664\/jcsm.2482","volume":"9","author":"DM Taibi","year":"2013","unstructured":"Taibi DM, Landis CA, Vitiello MV (2013) Concordance of polysomnographic and actigraphic measurement of sleep and wake in older women with insomnia. J Clin Sleep Med 9:217\u2013225. https:\/\/doi.org\/10.5664\/jcsm.2482","journal-title":"J Clin Sleep Med"},{"key":"3790_CR27","doi-asserted-by":"publisher","first-page":"283","DOI":"10.1093\/sleep\/31.2.283","volume":"31","author":"T Blackwell","year":"2008","unstructured":"Blackwell T, Redline S, Ancoli-Israel S, Schneider JL, Surovec S, Johnson NL, Cauley JA, Stone KL (2008) Comparison of sleep parameters from actigraphy and polysomnography in older women: the SOF study. Sleep 31:283\u2013291. https:\/\/doi.org\/10.1093\/sleep\/31.2.283","journal-title":"Sleep"},{"key":"3790_CR28","doi-asserted-by":"publisher","first-page":"780","DOI":"10.1136\/bjsports-2020-103147","volume":"55","author":"W Johnston","year":"2021","unstructured":"Johnston W, Judice PB, Molina Garc\u00eda P, M\u00fchlen JM, Lykke Skovgaard E, Stang J, Schumann M, Cheng S, Bloch W, Br\u00f8nd JC, Ekelund U, Gr\u00f8ntved A, Caulfield B, Ortega FB, Sardinha LB (2021) Recommendations for determining the validity of consumer wearable and smartphone step count: expert statement and checklist of the INTERLIVE network. Br J Sports Med 55:780\u2013793. https:\/\/doi.org\/10.1136\/bjsports-2020-103147","journal-title":"Br J Sports Med"},{"key":"3790_CR29","doi-asserted-by":"publisher","first-page":"2907","DOI":"10.1007\/s40279-024-02077-2","volume":"54","author":"C Doherty","year":"2024","unstructured":"Doherty C, Baldwin M, Keogh A, Caulfield B, Argent R (2024) Keeping pace with wearables: a living umbrella review of systematic reviews evaluating the accuracy of consumer wearable technologies in health measurement. Sports Med 54:2907\u20132926. https:\/\/doi.org\/10.1007\/s40279-024-02077-2","journal-title":"Sports Med"},{"key":"3790_CR30","doi-asserted-by":"publisher","first-page":"1353","DOI":"10.1093\/sleep\/29.10.1353","volume":"29","author":"B Sivertsen","year":"2006","unstructured":"Sivertsen B, Omvik S, Havik OE, Pallesen S, Bjorvatn B, Nielsen GH, Straume S, Nordhus IH (2006) A comparison of actigraphy and polysomnography in older adults treated for chronic primary insomnia. Sleep 29:1353\u20131358. https:\/\/doi.org\/10.1093\/sleep\/29.10.1353","journal-title":"Sleep"}],"container-title":["Sleep and Breathing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11325-026-03790-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11325-026-03790-0","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11325-026-03790-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T00:02:26Z","timestamp":1792454546000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11325-026-03790-0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,2]]},"references-count":30,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2026,10]]}},"alternative-id":["3790"],"URL":"https:\/\/doi.org\/10.1007\/s11325-026-03790-0","relation":{},"ISSN":["1520-9512","1522-1709"],"issn-type":[{"value":"1520-9512","type":"print"},{"value":"1522-1709","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,2]]},"assertion":[{"value":"23 February 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"12 May 2026","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"24 August 2026","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"2 September 2026","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"This study was approved by the Ethics Committee of Tokyo Metropolitan Institute for Geriatrics and Gerontology (approval number: R022-099). Written informed consent was obtained from all participants prior to their inclusion in the study. The procedures used in this study adhere to the tenets of the Declaration of Helsinki.","order":1,"name":"Ethics","label":"Ethics approval statement","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Not applicable.","order":2,"name":"Ethics","label":"Consent for publication","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare that they have no competing interests, including no financial, personal, or institutional relationships with S\u2019UIMIN Inc., the manufacturer of the Insomnograf K2 device.","order":3,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"252"}}