{"id":"https://openalex.org/W3171252016","doi":"https://doi.org/10.30994/sjik.v10i1.604","title":"Characteristics of Sleep Patterns in Patients Before COVID-19 Diagnosis","display_name":"Characteristics of Sleep Patterns in Patients Before COVID-19 Diagnosis","publication_year":2021,"publication_date":"2021-05-02","ids":{"openalex":"https://openalex.org/W3171252016","doi":"https://doi.org/10.30994/sjik.v10i1.604","mag":"3171252016"},"language":"en","primary_location":{"id":"mag:3171252016","doi":"https://doi.org/10.30994/sjik.v10i1.604","is_oa":true,"landing_page_url":"https://www.sjik.org/index.php/sjik/article/download/604/433","pdf_url":null,"source":{"id":"https://openalex.org/S4210228187","display_name":"STRADA JURNAL ILMIAH KESEHATAN","issn_l":"2252-3847","issn":["2252-3847","2614-350X"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4404670097","host_organization_name":"Institut Ilmu Kesehatan STRADA Indonesia","host_organization_lineage":["https://openalex.org/P4404670097"],"host_organization_lineage_names":["Institut Ilmu Kesehatan STRADA Indonesia"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"STRADA JURNAL ILMIAH KESEHATAN","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.sjik.org/index.php/sjik/article/download/604/433","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044686566","display_name":"Agus Purnama","orcid":"https://orcid.org/0000-0003-2684-5856","observed_orcids":["https://orcid.org/0000-0003-2684-5856"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Agus Purnama","raw_affiliation_strings":["STIKes Indonesia Maju"],"raw_orcid":"https://orcid.org/0000-0003-2684-5856","affiliations":[{"raw_affiliation_string":"STIKes Indonesia Maju","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076627181","display_name":"Irfan Hardian","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Irfan Hardian","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075084875","display_name":"Dayana Noprida","orcid":"https://orcid.org/0000-0001-8384-7749","observed_orcids":["https://orcid.org/0000-0001-8384-7749"]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Dayana Noprida","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014082328","display_name":"Hana Febriyanti","orcid":"https://orcid.org/0000-0003-4142-6991","observed_orcids":["https://orcid.org/0000-0003-4142-6991"]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Hana Febriyanti","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105109366","display_name":"Aisah Mamang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Aisah Mamang","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023054876","display_name":"Kemala Desi Wahidi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Kemala Desi Wahidi","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059443630","display_name":"Nurmawati Nurmawati","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Nurmawati Nurmawati","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046092392","display_name":"Lusiana Primasari","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Lusiana Primasari","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006523154","display_name":"Rinawati Rinawati","orcid":"https://orcid.org/0000-0001-5458-664X","observed_orcids":["https://orcid.org/0000-0001-5458-664X"]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Rinawati Rinawati","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Sri Murtini","orcid":"https://orcid.org/0000-0001-6251-8735","observed_orcids":["https://orcid.org/0000-0001-6251-8735"]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Sri Murtini","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":"https://orcid.org/0000-0001-6251-8735","affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001060580","display_name":"Yusuf Dwiyanto","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Yusuf Dwiyanto","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004207546","display_name":"Muhammad Hadi","orcid":"https://orcid.org/0000-0002-6721-1190","observed_orcids":["https://orcid.org/0000-0002-6721-1190"]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Muhammad Hadi","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":"https://orcid.org/0000-0002-6721-1190","affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060855132","display_name":"Nyimas Heny Purwati","orcid":"https://orcid.org/0000-0002-3104-3498","observed_orcids":["https://orcid.org/0000-0002-3104-3498"]},"institutions":[{"id":"https://openalex.org/I4210123023","display_name":"Universitas Muhammadiyah Jakarta","ror":"https://ror.org/031px5f40","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210123023"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Nyimas Heny Purwanti","raw_affiliation_strings":["Universitas Muhammadiyah Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Jakarta","institution_ids":["https://openalex.org/I4210123023"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1819,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.46381013,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"10","issue":"1","first_page":"206","last_page":"212"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.9951000213623047,"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":0.9951000213623047,"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/T10168","display_name":"COVID-19 and Mental Health","score":0.003100000089034438,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical 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":0.0005000000237487257,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sleep-patterns","display_name":"sleep patterns","score":0.9399999976158142},{"id":"https://openalex.org/keywords/covid-19","display_name":"COVID-19 pandemic","score":0.9089999794960022},{"id":"https://openalex.org/keywords/sleep-quality","display_name":"sleep quality","score":0.8610000014305115},{"id":"https://openalex.org/keywords/pittsburgh-sleep-quality-index","display_name":"Pittsburgh Sleep Quality Index","score":0.7919999957084656},{"id":"https://openalex.org/keywords/immune-system","display_name":"immune system","score":0.7850000262260437},{"id":"https://openalex.org/keywords/infection-susceptibility","display_name":"infection susceptibility","score":0.7749999761581421}],"concepts":[{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.7424268126487732},{"id":"https://openalex.org/C89623803","wikidata":"https://www.wikidata.org/wiki/Q12184","display_name":"Pandemic","level":5,"score":0.6564378142356873},{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.6014799475669861},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.5651494264602661},{"id":"https://openalex.org/C2983189541","wikidata":"https://www.wikidata.org/wiki/Q35831","display_name":"Sleep quality","level":3,"score":0.5426415205001831},{"id":"https://openalex.org/C2992282259","wikidata":"https://www.wikidata.org/wiki/Q3149136","display_name":"Immune status","level":3,"score":0.5261064171791077},{"id":"https://openalex.org/C3019903994","wikidata":"https://www.wikidata.org/wiki/Q35831","display_name":"Sleep patterns","level":3,"score":0.4791238307952881},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4506160020828247},{"id":"https://openalex.org/C8891405","wikidata":"https://www.wikidata.org/wiki/Q1059","display_name":"Immune system","level":2,"score":0.39016062021255493},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3842521607875824},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.2284623086452484},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.164349764585495},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.14123088121414185},{"id":"https://openalex.org/C121446783","wikidata":"https://www.wikidata.org/wiki/Q208353","display_name":"Circadian rhythm","level":2,"score":0.13957849144935608},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.11999410390853882},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.11325716972351074},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11259540915489197},{"id":"https://openalex.org/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"score":0.06291592121124268},{"id":"https://openalex.org/C2781210498","wikidata":"https://www.wikidata.org/wiki/Q1869874","display_name":"Insomnia","level":2,"score":0.06133824586868286},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:3171252016","doi":"https://doi.org/10.30994/sjik.v10i1.604","is_oa":true,"landing_page_url":"https://www.sjik.org/index.php/sjik/article/download/604/433","pdf_url":null,"source":{"id":"https://openalex.org/S4210228187","display_name":"STRADA JURNAL ILMIAH KESEHATAN","issn_l":"2252-3847","issn":["2252-3847","2614-350X"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4404670097","host_organization_name":"Institut Ilmu Kesehatan STRADA Indonesia","host_organization_lineage":["https://openalex.org/P4404670097"],"host_organization_lineage_names":["Institut Ilmu Kesehatan STRADA Indonesia"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"STRADA JURNAL ILMIAH KESEHATAN","raw_type":null}],"best_oa_location":{"id":"mag:3171252016","doi":"https://doi.org/10.30994/sjik.v10i1.604","is_oa":true,"landing_page_url":"https://www.sjik.org/index.php/sjik/article/download/604/433","pdf_url":null,"source":{"id":"https://openalex.org/S4210228187","display_name":"STRADA JURNAL ILMIAH KESEHATAN","issn_l":"2252-3847","issn":["2252-3847","2614-350X"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4404670097","host_organization_name":"Institut Ilmu Kesehatan STRADA Indonesia","host_organization_lineage":["https://openalex.org/P4404670097"],"host_organization_lineage_names":["Institut Ilmu Kesehatan STRADA Indonesia"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"STRADA JURNAL ILMIAH KESEHATAN","raw_type":null},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4402888665","https://openalex.org/W3123703013","https://openalex.org/W4283219201","https://openalex.org/W4378418439","https://openalex.org/W4281820964","https://openalex.org/W4402784354","https://openalex.org/W4282963755","https://openalex.org/W4389834351","https://openalex.org/W3174959776","https://openalex.org/W4390665952"],"abstract_inverted_index":{"Sleep":[0],"pattern":[1],"is":[2,45,63,106,112],"an":[3],"important":[4],"indicator":[5],"for":[6],"a":[7,32,46],"person's":[8],"immunity":[9],"rather":[10],"than":[11],"being":[12,38],"susceptible":[13],"to":[14,22,57,118],"infection.":[15],"The":[16,40,73,101],"purpose":[17],"of":[18,26,34,78,97,114],"this":[19,43,104],"study":[20,105],"was":[21],"describe":[23],"the":[24,50,60,79,95,115,120,138,141],"characteristics":[25],"respondents":[27,65,80],"infected":[28],"with":[29,49,66],"Covid-19":[30,142],"and":[31,70,94,123],"history":[33],"sleep":[35,58,98,111],"patterns":[36],"before":[37],"infected.":[39],"method":[41],"in":[42,103],"research":[44],"quantitative":[47],"description":[48],"PSQI":[51],"instrument":[52],"as":[53],"data":[54],"collection":[55],"related":[56],"patterns,":[59],"sample":[61],"used":[62],"103":[64],"analysis":[67],"using":[68],"SPSS":[69],"Rapid":[71],"Miner.":[72],"results":[74],"showed":[75],"that":[76,107,127,135],"most":[77],"were":[81],"female":[82],"(56.3%),":[83],"ages":[84],"26-35":[85],"(38.9%),":[86],"higher":[87],"education":[88],"level":[89],"(76.7%),":[90],"private":[91],"employees":[92],"(52.4%),":[93],"quality":[96,110],"bad":[99],"(53.4%).":[100],"conclusion":[102],"good":[108],"or":[109],"one":[113],"key":[116],"factors":[117],"maintain":[119],"immune":[121,131],"system":[122],"body":[124],"metabolism":[125],"so":[126],"it":[128],"can":[129,136],"be":[130],"from":[132],"several":[133],"infections":[134],"enter":[137],"body,":[139],"including":[140],"pandemic":[143]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2021-06-22T00:00:00"}