{"id":"https://openalex.org/W1973411059","doi":"https://doi.org/10.1109/iembs.2006.259558","title":"Circadian and Ultradian Rhythms in Cardiac Autonomic Modulation","display_name":"Circadian and Ultradian Rhythms in Cardiac Autonomic Modulation","publication_year":2006,"publication_date":"2006-08-01","ids":{"openalex":"https://openalex.org/W1973411059","doi":"https://doi.org/10.1109/iembs.2006.259558","mag":"1973411059","pmid":"https://pubmed.ncbi.nlm.nih.gov/17946831"},"language":"en","primary_location":{"id":"doi:10.1109/iembs.2006.259558","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iembs.2006.259558","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018058646","display_name":"Phyllis K. Stein","orcid":"https://orcid.org/0000-0002-2263-3330"},"institutions":[{"id":"https://openalex.org/I204465549","display_name":"Washington University in St. Louis","ror":"https://ror.org/01yc7t268","country_code":"US","type":"education","lineage":["https://openalex.org/I204465549"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Phyllis K. Stein","raw_affiliation_strings":["Washington University School of Medicine, St. Louis, MO 63108, USA. pstein@im.wustl.edu","Washington University School of Medicine, St Louis, Mo. 63108, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Washington University School of Medicine, St. Louis, MO 63108, USA. pstein@im.wustl.edu","institution_ids":["https://openalex.org/I204465549"]},{"raw_affiliation_string":"Washington University School of Medicine, St Louis, Mo. 63108, USA","institution_ids":["https://openalex.org/I204465549"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010638197","display_name":"Eric J. Lundequam","orcid":null},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I204465549","display_name":"Washington University in St. Louis","ror":"https://ror.org/01yc7t268","country_code":"US","type":"education","lineage":["https://openalex.org/I204465549"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eric J. Lundequam","raw_affiliation_strings":["School of Medicine Heart Rate Variability Laboratory, University of Washington, Saint Louis, MO, USA","Washington University \u2013 St Louis"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine Heart Rate Variability Laboratory, University of Washington, Saint Louis, MO, USA","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I204465549"]},{"raw_affiliation_string":"Washington University \u2013 St Louis","institution_ids":["https://openalex.org/I204465549"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003434684","display_name":"Daniel J. Clauw","orcid":"https://orcid.org/0000-0002-8114-7818"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniel Clauw","raw_affiliation_strings":["Department of Rheumatology, University of Michigan, Ann Arbor, MI, USA","University of Michigan , Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Rheumatology, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"University of Michigan , Ann Arbor","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034760267","display_name":"Kenneth E. Freedland","orcid":"https://orcid.org/0000-0002-3118-9913"},"institutions":[{"id":"https://openalex.org/I204465549","display_name":"Washington University in St. Louis","ror":"https://ror.org/01yc7t268","country_code":"US","type":"education","lineage":["https://openalex.org/I204465549"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kenneth E. Freedland","raw_affiliation_strings":["Washington University School of Medicine, Saint Louis, MO, USA","Psychiatry"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Washington University School of Medicine, Saint Louis, MO, USA","institution_ids":["https://openalex.org/I204465549"]},{"raw_affiliation_string":"Psychiatry","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025993127","display_name":"Robert M. Carney","orcid":"https://orcid.org/0000-0002-0737-6655"},"institutions":[{"id":"https://openalex.org/I204465549","display_name":"Washington University in St. Louis","ror":"https://ror.org/01yc7t268","country_code":"US","type":"education","lineage":["https://openalex.org/I204465549"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert M. Carney","raw_affiliation_strings":["Washington University School of Medicine, Saint Louis, MO, USA","Psychiatry"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Washington University School of Medicine, Saint Louis, MO, USA","institution_ids":["https://openalex.org/I204465549"]},{"raw_affiliation_string":"Psychiatry","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006445320","display_name":"Peter P. Domitrovich","orcid":null},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I204465549","display_name":"Washington University in St. Louis","ror":"https://ror.org/01yc7t268","country_code":"US","type":"education","lineage":["https://openalex.org/I204465549"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peter P. Domitrovich","raw_affiliation_strings":["School of Medicine Heart Rate Variability Laboratory, University of Washington, Saint Louis, MO, USA","Washington University \u2013 St Louis"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine Heart Rate Variability Laboratory, University of Washington, Saint Louis, MO, USA","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I204465549"]},{"raw_affiliation_string":"Washington University \u2013 St Louis","institution_ids":["https://openalex.org/I204465549"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4196,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.85376662,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2006","issue":null,"first_page":"429","last_page":"432"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9865000247955322,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9865000247955322,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11950","display_name":"Cardiovascular Syncope and Autonomic Disorders","score":0.003700000001117587,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13381","display_name":"Heart rate and cardiovascular health","score":0.002400000113993883,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ultradian-rhythm","display_name":"Ultradian rhythm","score":0.985525369644165},{"id":"https://openalex.org/keywords/heart-rate-variability","display_name":"Heart rate variability","score":0.8419280052185059},{"id":"https://openalex.org/keywords/circadian-rhythm","display_name":"Circadian rhythm","score":0.8137772083282471},{"id":"https://openalex.org/keywords/rhythm","display_name":"Rhythm","score":0.7360013127326965},{"id":"https://openalex.org/keywords/autonomic-nervous-system","display_name":"Autonomic nervous system","score":0.6625299453735352},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.5760306119918823},{"id":"https://openalex.org/keywords/heart-rate","display_name":"Heart rate","score":0.5753412842750549},{"id":"https://openalex.org/keywords/chronobiology","display_name":"Chronobiology","score":0.5352424383163452},{"id":"https://openalex.org/keywords/electrocardiography","display_name":"Electrocardiography","score":0.5085161924362183},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.506702721118927},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.3611319661140442},{"id":"https://openalex.org/keywords/endocrinology","display_name":"Endocrinology","score":0.34399330615997314},{"id":"https://openalex.org/keywords/blood-pressure","display_name":"Blood pressure","score":0.11758342385292053}],"concepts":[{"id":"https://openalex.org/C136792703","wikidata":"https://www.wikidata.org/wiki/Q377893","display_name":"Ultradian rhythm","level":3,"score":0.985525369644165},{"id":"https://openalex.org/C71635504","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"Heart rate variability","level":4,"score":0.8419280052185059},{"id":"https://openalex.org/C121446783","wikidata":"https://www.wikidata.org/wiki/Q208353","display_name":"Circadian rhythm","level":2,"score":0.8137772083282471},{"id":"https://openalex.org/C135343436","wikidata":"https://www.wikidata.org/wiki/Q170406","display_name":"Rhythm","level":2,"score":0.7360013127326965},{"id":"https://openalex.org/C2777372248","wikidata":"https://www.wikidata.org/wiki/Q171064","display_name":"Autonomic nervous system","level":4,"score":0.6625299453735352},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5760306119918823},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.5753412842750549},{"id":"https://openalex.org/C187765855","wikidata":"https://www.wikidata.org/wiki/Q506874","display_name":"Chronobiology","level":3,"score":0.5352424383163452},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.5085161924362183},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.506702721118927},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3611319661140442},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.34399330615997314},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.11758342385292053}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001341","descriptor_name":"Autonomic Nervous System","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001341","descriptor_name":"Autonomic Nervous System","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001341","descriptor_name":"Autonomic Nervous System","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001683","descriptor_name":"Biological Clocks","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001683","descriptor_name":"Biological Clocks","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001683","descriptor_name":"Biological Clocks","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D002940","descriptor_name":"Circadian Rhythm","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D002940","descriptor_name":"Circadian Rhythm","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D002940","descriptor_name":"Circadian Rhythm","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005246","descriptor_name":"Feedback","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005246","descriptor_name":"Feedback","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005246","descriptor_name":"Feedback","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008955","descriptor_name":"Models, Cardiovascular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008955","descriptor_name":"Models, Cardiovascular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008955","descriptor_name":"Models, Cardiovascular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D015716","descriptor_name":"Electrocardiography, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D015716","descriptor_name":"Electrocardiography, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D015716","descriptor_name":"Electrocardiography, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/iembs.2006.259558","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iembs.2006.259558","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},{"id":"pmid:17946831","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/17946831","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.6499999761581421,"id":"https://metadata.un.org/sdg/3"}],"awards":[{"id":"https://openalex.org/G4479925455","display_name":null,"funder_award_id":"R01 HL65356","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"}],"funders":[{"id":"https://openalex.org/F4320337338","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1985977264","https://openalex.org/W2021248019","https://openalex.org/W2122014842"],"related_works":["https://openalex.org/W2167457908","https://openalex.org/W2088256144","https://openalex.org/W647577434","https://openalex.org/W2418944827","https://openalex.org/W1992396974","https://openalex.org/W4361006731","https://openalex.org/W1548647706","https://openalex.org/W3162549982","https://openalex.org/W2501692008","https://openalex.org/W4389669576"],"abstract_inverted_index":{"UNLABELLED:":[0],"Heart":[1],"rate":[2,23],"variability":[3],"(HRV)":[4],"patterns":[5,116,248],"reflect":[6],"the":[7,14,88,100,171,180,204,241],"changing":[8],"sympathetic":[9],"and":[10,20,25,37,52,99,119,164,203,243,256],"parasympathetic":[11],"modulation":[12,227],"of":[13,35,91,117,137,173,184,193,225,228,233,246,249],"autonomic":[15,226,262],"nervous":[16],"system.":[17],"While":[18],"overall":[19],"circadian":[21],"heart":[22],"(HR)":[24],"HRV":[26,38,250],"are":[27,39,216,222],"well":[28],"characterized":[29],"by":[30],"traditional":[31],"measures,":[32],"ultradian":[33,149,247],"cycles":[34,150,174,185],"HR":[36,229],"not.":[40],"We":[41],"have":[42,53],"developed":[43,111],"a":[44,135],"method":[45],"for":[46,62,153],"capturing":[47],"these":[48,207],"rhythms":[49,208,224],"during":[50,239],"sleep":[51],"now":[54],"applied":[55],"it":[56,218],"to":[57,122,128],"24-hour":[58,73,252],"recordings.":[59,194],"METHODS:":[60],"HR/HRV":[61,118,155,197],"each":[63,154,162],"2-min":[64],"was":[65,178,188],"calculated":[66],"using":[67],"normal-to-normal":[68],"(NN)":[69],"interbeat":[70],"intervals":[71,93],"from":[72,251],"Holter":[74],"recordings":[75,133,253],"in":[76,112,131,134,190],"10":[77,143],"healthy":[78],"subjects,":[79,139],"aged":[80,140],"26":[81],"+/-":[82,142],"2":[83],"yrs,":[84,144],"5M,":[85],"5F.":[86],"HR,":[87],"standard":[89],"deviation":[90],"NN":[92],"(SDNN2),":[94],"high":[95],"frequency":[96,103],"power":[97],"(HF)":[98],"LF":[101],"(low":[102],"power)/HF":[104],"ratio":[105],"were":[106,126,151],"plotted.":[107],"A":[108],"curve-fitting":[109],"algorithm,":[110],"MatLab,":[113],"identified":[114],"cyclic":[115],"extracted":[120],"parameters":[121],"characterize":[123],"them.":[124],"Values":[125],"compared":[127],"those":[129],"obtained":[130],"nighttime-only":[132],"set":[136],"113":[138],"58":[141],"65M,":[145],"48F.":[146],"RESULTS:":[147],"Cyclic":[148],"observed":[152],"index.":[156],"They":[157],"had":[158],"variable":[159],"correspondences":[160],"with":[161],"other":[163],"none":[165],"could":[166,257],"be":[167],"considered":[168],"surrogates.":[169],"Although":[170,213],"number":[172],"over":[175],"24":[176],"hours":[177],"greater,":[179],"mean":[181],"cycle":[182],"duration/number":[183],"per":[186],"hour":[187],"similar":[189],"both":[191,240],"sets":[192],"CONCLUSIONS:":[195],"Each":[196],"parameter":[198],"has":[199],"its":[200],"own":[201],"rhythm,":[202],"correspondence":[205],"between":[206],"varies":[209],"greatly":[210],"across":[211],"subjects.":[212],"further":[214],"studies":[215],"needed,":[217],"appears":[219],"that":[220,237],"there":[221],"intrinsic":[223],"on":[230],"an":[231],"scale":[232],"about":[234],"50":[235],"mins":[236],"persist":[238],"day":[242],"nighttimes.":[244],"Quantification":[245],"is":[254],"feasible":[255],"provide":[258],"new":[259],"insights":[260],"into":[261],"physiology.":[263]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}