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A custom-built single-channel in-ear electroencephalography sensor for sleep phase detection: an interdependent solution for at-home sleep studies

2024-10Journal article Embargoed access
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dc.contributor.authorBorges, Daniel Filipe
dc.contributor.authorSoares, Joana Isabel
dc.contributor.authorSilva, Heloísa
dc.contributor.authorFelgueiras, João
dc.contributor.authorBatista, Carla
dc.contributor.authorFerreira, Simão
dc.contributor.authorRocha, Nuno
dc.contributor.authorLeal, Alberto
dc.date.accessioned2024-10-15T14:06:10Z
dc.date.embargo2026-09
dc.date.issued2024-10
dc.description.abstractSleep is vital for health. It has regenerative and protective functions. Its disruption reduces the quality of life and increases susceptibility to disease. During sleep, there is a cyclicity of distinct phases that are studied for clinical purposes using polysomnography (PSG), a costly and technically demanding method that compromises the quality of natural sleep. The search for simpler devices for recording biological signals at home addresses some of these issues. We have reworked a single-channel in-ear electroencephalography (EEG) sensor grounded to a commercially available memory foam earplug with conductive tape. A total of 14 healthy volunteers underwent a full night of simultaneous PSG, in-ear EEG and actigraphy recordings. We analysed the performance of the methods in terms of sleep metrics and staging. In another group of 14 patients evaluated for sleep-related pathologies, PSG and in-ear EEG were recorded simultaneously, the latter in two different configurations (with and without a contralateral reference on the scalp). In both groups, the in-ear EEG sensor showed a strong correlation, agreement and reliability with the ‘gold standard’ of PSG and thus supported accurate sleep classification, which is not feasible with actigraphy. Single-channel in-ear EEG offers compelling prospects for simplifying sleep parameterisation in both healthy individuals and clinical patients and paves the way for reliable assessments in a broader range of clinical situations, namely by integrating Level 3 polysomnography devices. In addition, addressing the recognised overestimation of the apnea-hypopnea index, due to the lack of an EEG signal, and the sparse information on sleep metrics could prove fundamental for optimised clinical decision making.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBorges, D. F., Soares, J. I., Silva, H., Felgueiras, J., Batista, C., Ferreira, S., Rocha, N. B., & Leal, A. (2024). A custom-built single-channel in-ear electroencephalography sensor for sleep phase detection: An interdependent solution for at-home sleep studies. Journal of Sleep Research, n/a(n/a), e14368. https://doi.org/10.1111/jsr.14368pt_PT
dc.identifier.doi10.1111/jsr.14368pt_PT
dc.identifier.eissn1365-2869
dc.identifier.issn0962-1105
dc.identifier.urihttp://hdl.handle.net/10400.22/26241
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/doi/10.1111/jsr.14368?af=Rpt_PT
dc.subjectIn-ear electroencephalographypt_PT
dc.subjectHome recordingpt_PT
dc.subjectPolysomnographypt_PT
dc.subjectSleep stagingpt_PT
dc.subjectWearable devicespt_PT
dc.titleA custom-built single-channel in-ear electroencephalography sensor for sleep phase detection: an interdependent solution for at-home sleep studiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleJournal of Sleep Researchpt_PT
person.familyNameBorges
person.familyNameFerreira
person.familyNameRocha
person.givenNameDaniel Filipe
person.givenNameSimão
person.givenNameNuno
person.identifier3235598
person.identifier2680796
person.identifier192266
person.identifier.ciencia-id0217-87F9-58DF
person.identifier.ciencia-idB11E-1BD3-5F34
person.identifier.ciencia-idAE16-A494-5F8B
person.identifier.orcid0000-0003-0189-7908
person.identifier.orcid0000-0001-8233-2217
person.identifier.orcid0000-0002-3139-2786
person.identifier.ridJVO-1831-2024
person.identifier.ridM-9821-2013
person.identifier.scopus-author-id57912703700
person.identifier.scopus-author-id57359736400
person.identifier.scopus-author-id32867975300
rcaap.rightsembargoedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationf67e814a-8ad9-4440-820a-deaccea87bb8
relation.isAuthorOfPublication0bd5b0fc-6849-4f36-b751-87e7f4c81eff
relation.isAuthorOfPublication9e940914-601a-4978-8d5b-74e5ade7ada7
relation.isAuthorOfPublication.latestForDiscoveryf67e814a-8ad9-4440-820a-deaccea87bb8

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