{"id":"https://openalex.org/W136856671","doi":"https://doi.org/10.1093/sleep/17.8.688","title":"Nightcap Measurement of Sleep Quality in Self-Described Good and Poor Sleepers","display_name":"Nightcap Measurement of Sleep Quality in Self-Described Good and Poor Sleepers","publication_year":1994,"publication_date":"1994-12-01","ids":{"openalex":"https://openalex.org/W136856671","doi":"https://doi.org/10.1093/sleep/17.8.688","mag":"136856671","pmid":"https://pubmed.ncbi.nlm.nih.gov/7701179"},"language":"en","primary_location":{"id":"doi:10.1093/sleep/17.8.688","doi":"https://doi.org/10.1093/sleep/17.8.688","is_oa":false,"landing_page_url":"https://doi.org/10.1093/sleep/17.8.688","pdf_url":null,"source":{"id":"https://openalex.org/S42921845","display_name":"SLEEP","issn_l":"0161-8105","issn":["0161-8105","1550-9109"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sleep","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5090803237","display_name":"Edward Franz Pace-Schott","orcid":"https://orcid.org/0000-0001-6311-7570","observed_orcids":["https://orcid.org/0000-0001-6311-7570"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Edward F. Pace-Schott","raw_affiliation_strings":["Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts 02115"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts 02115","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105475189","display_name":"Junko Kaji","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Junko Kaji","raw_affiliation_strings":["Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts, U.S.A","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075088400","display_name":"Robert Stickgold","orcid":"https://orcid.org/0000-0003-3971-744X","observed_orcids":["https://orcid.org/0000-0003-3971-744X"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert Stickgold","raw_affiliation_strings":["Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts, U.S.A","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113408777","display_name":"J. Allan Hobson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Allan Hobson","raw_affiliation_strings":["Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Neurophysiology, Harvard Medical School, Boston, Massachusetts, U.S.A","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5090803237"],"corresponding_institution_ids":["https://openalex.org/I136199984"],"apc_list":{"value":4388,"currency":"USD","value_usd":4388},"apc_paid":null,"fwci":0.4387,"has_fulltext":true,"cited_by_count":34,"citation_normalized_percentile":{"value":0.61151377,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"17","issue":"8","first_page":"688","last_page":"692"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10234","display_name":"Obstructive Sleep Apnea Research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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/nightcap","display_name":"nightcap","score":0.9800000190734863},{"id":"https://openalex.org/keywords/home-sleep-monitoring","display_name":"home sleep monitoring","score":0.8600000143051147},{"id":"https://openalex.org/keywords/sleep-quality","display_name":"sleep quality","score":0.8880000114440918},{"id":"https://openalex.org/keywords/sleep-onset-latency","display_name":"sleep latency","score":0.8690000176429749},{"id":"https://openalex.org/keywords/sleep-efficiency","display_name":"sleep efficiency","score":0.9990000128746033},{"id":"https://openalex.org/keywords/college-students","display_name":"university students","score":0.5479999780654907}],"concepts":[{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.6773500442504883},{"id":"https://openalex.org/C2781053850","wikidata":"https://www.wikidata.org/wiki/Q7539763","display_name":"Sleep onset latency","level":4,"score":0.6437652707099915},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.6239557266235352},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5729682445526123},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.563239336013794},{"id":"https://openalex.org/C153050134","wikidata":"https://www.wikidata.org/wiki/Q760256","display_name":"Eye movement","level":2,"score":0.5538380742073059},{"id":"https://openalex.org/C63759246","wikidata":"https://www.wikidata.org/wiki/Q7539762","display_name":"Sleep onset","level":3,"score":0.5267214775085449},{"id":"https://openalex.org/C19720800","wikidata":"https://www.wikidata.org/wiki/Q7722","display_name":"Morning","level":2,"score":0.4861604869365692},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4770714044570923},{"id":"https://openalex.org/C2781210498","wikidata":"https://www.wikidata.org/wiki/Q1869874","display_name":"Insomnia","level":2,"score":0.3491516709327698},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.26751840114593506},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.1560385525226593},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.08169466257095337},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.06525629758834839},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.055636465549468994},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.054677754640579224},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007319","descriptor_name":"Sleep Initiation and Maintenance Disorders","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":"D012894","descriptor_name":"Sleep Stages","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012895","descriptor_name":"Sleep, REM","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014851","descriptor_name":"Wakefulness","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017286","descriptor_name":"Polysomnography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1093/sleep/17.8.688","doi":"https://doi.org/10.1093/sleep/17.8.688","is_oa":false,"landing_page_url":"https://doi.org/10.1093/sleep/17.8.688","pdf_url":null,"source":{"id":"https://openalex.org/S42921845","display_name":"SLEEP","issn_l":"0161-8105","issn":["0161-8105","1550-9109"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sleep","raw_type":"journal-article"},{"id":"pmid:7701179","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7701179","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,"listed_in":[],"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":"Sleep","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9476000070571899,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[{"id":"https://openalex.org/G7753306101","display_name":null,"funder_award_id":"MH\u201048","funder_id":"https://openalex.org/F4320337346","funder_display_name":"National Institute of Mental Health"}],"funders":[{"id":"https://openalex.org/F4320306142","display_name":"John D. and Catherine T. MacArthur Foundation","ror":"https://ror.org/00dxczh48"},{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337346","display_name":"National Institute of Mental Health","ror":"https://ror.org/04xeg9z08"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W66122749","https://openalex.org/W117545607","https://openalex.org/W1555810878","https://openalex.org/W1564547297","https://openalex.org/W1964357132","https://openalex.org/W1976848115","https://openalex.org/W1994613043","https://openalex.org/W2003304452","https://openalex.org/W2028714727","https://openalex.org/W2031634577","https://openalex.org/W2066525222","https://openalex.org/W2070064636","https://openalex.org/W2145245099","https://openalex.org/W2284068924","https://openalex.org/W2326885135","https://openalex.org/W2336489032","https://openalex.org/W2397725402","https://openalex.org/W2400549344","https://openalex.org/W2409818457","https://openalex.org/W2416004571","https://openalex.org/W2427142691","https://openalex.org/W2439311520","https://openalex.org/W3022302886"],"related_works":["https://openalex.org/W2157949224","https://openalex.org/W2101885825","https://openalex.org/W1994218526","https://openalex.org/W4392642645","https://openalex.org/W3042043665","https://openalex.org/W4390442274","https://openalex.org/W851282654","https://openalex.org/W2113956473","https://openalex.org/W2028714727","https://openalex.org/W2066525222"],"abstract_inverted_index":{"The":[0,149],"Nightcap":[1,94,121,154],"is":[2],"a":[3,50,65,170],"home-based":[4],"sleep":[5,18,37,40,82,105,108,124,132,142,159],"monitoring":[6],"device":[7],"that":[8],"reliably":[9],"differentiates":[10],"rapid":[11],"eye":[12,16],"movement":[13,17,26],"sleep,":[14],"nonrapid":[15],"and":[19,24,39,45,57,77,107,157],"wake":[20],"states":[21],"using":[22,114],"eyelid":[23],"body":[25],"measurements.":[27],"This":[28],"study":[29],"documents":[30],"its":[31,167],"capacity":[32],"to":[33,155],"measure":[34],"differences":[35,102],"in":[36,103,139,160,169],"latency":[38,106,125,144],"efficiency":[41,109],"between":[42,112],"self-described":[43,54,59],"good":[44,147,156],"poor":[46,158],"sleepers":[47,56,61,135],"drawn":[48],"from":[49,64],"normal":[51,162],"population.":[52],"Ten":[53],"\"good\"":[55],"11":[58],"\"poor\"":[60],"were":[62,110,126,136,146],"selected":[63],"pool":[66],"of":[67,81,123,131,152],"college":[68],"students.":[69],"These":[70],"groups":[71,113],"differed":[72],"significantly":[73],"on":[74,78],"selection":[75],"parameters":[76],"subjective":[79,129],"estimates":[80,130],"quality":[83],"obtained":[84,111],"each":[85],"morning":[86],"during":[87],"the":[88,93,153],"study.":[89],"Each":[90],"subject":[91,116],"wore":[92],"at":[95],"home":[96],"for":[97,166],"12-17":[98],"nights.":[99],"Statistically":[100],"significant":[101],"Nightcap-measured":[104],"individual":[115,119],"means.":[117],"In":[118],"subjects,":[120],"measurements":[122],"correlated":[127],"with":[128],"latency.":[133],"Poor":[134],"less":[137],"accurate":[138],"estimating":[140],"their":[141],"onset":[143],"than":[145],"sleepers.":[148],"demonstrated":[150],"sensitivity":[151],"these":[161],"subjects":[163],"augurs":[164],"well":[165],"application":[168],"clinical":[171],"setting.":[172]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}