{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,7]],"date-time":"2026-02-07T05:13:47Z","timestamp":1770441227801,"version":"3.49.0"},"reference-count":10,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2015,7,28]],"date-time":"2015-07-28T00:00:00Z","timestamp":1438041600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Internal Medicine Journal"],"published-print":{"date-parts":[[2015,8]]},"abstract":"Abstract<\/jats:title>Background<\/jats:title>Home polysomnography (PSG<\/jats:styled-content>) is an alternative method for diagnosis of obstructive sleep apnoea (OSA<\/jats:styled-content>). Some types 3 and 4 PSG<\/jats:styled-content> do not monitor sleep and so rely on patients' estimation of total sleep time (TST<\/jats:styled-content>).<\/jats:p><\/jats:sec>Aim<\/jats:title>To compare patients' subjective sleep duration estimation with objective measures in patients who underwent type 2 PSG for probable OSA.<\/jats:p><\/jats:sec>Methods<\/jats:title>A prospective clinical audit of 536 consecutive patients of one of the authors between 2006 and 2013. A standard questionnaire was completed by the patients the morning after the home PSG<\/jats:styled-content> to record the time of lights being turned off and estimated time of sleep onset and offset. PSG<\/jats:styled-content> was scored based on the guidelines of the A<\/jats:styled-content>merican A<\/jats:styled-content>cademy of S<\/jats:styled-content>leep M<\/jats:styled-content>edicine.<\/jats:p><\/jats:sec>Results<\/jats:title>Median estimated sleep latency (SL<\/jats:styled-content>) was 20 min compared with 10 min for measured SL<\/jats:styled-content> (P<\/jats:italic> < 0.0001). There was also a significant difference between the estimated and measured sleep offset time (median difference = \u22121 min, P<\/jats:italic> = 0.01). Estimated TST<\/jats:styled-content> was significantly shorter than the measured TST<\/jats:styled-content> (median difference = \u221218.5 min, P<\/jats:italic> = 0.002). No factors have been identified to affect patients' accuracy of sleep perception. Only 2% of patients had a change in their diagnosis of OSA<\/jats:styled-content> based on calculated apnoea\u2013hypopnoea index.<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Overall estimated TST<\/jats:styled-content> in the patients with probable OSA<\/jats:styled-content> was significantly shorter than measured with significant individual variability. Collectively, inaccurate sleep time estimation had not resulted in significant difference in the diagnosis of OSA<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/imj.12798","type":"journal-article","created":{"date-parts":[[2015,5,6]],"date-time":"2015-05-06T06:47:15Z","timestamp":1430894835000},"page":"850-853","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Patients' estimates of their sleep times: reliability and impact on diagnosis of obstructive sleep apnoea"],"prefix":"10.1111","volume":"45","author":[{"given":"Y. H.","family":"Khor","sequence":"first","affiliation":[{"name":"Department of Respiratory and Sleep Medicine Austin Hospital Melbourne Victoria Australia"},{"name":"Institute for Breathing and Sleep Austin Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Tolson","sequence":"additional","affiliation":[{"name":"Department of Respiratory and Sleep Medicine Austin Hospital Melbourne Victoria Australia"},{"name":"Institute for Breathing and Sleep Austin Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Churchward","sequence":"additional","affiliation":[{"name":"Department of Respiratory and Sleep Medicine Austin Hospital Melbourne Victoria Australia"},{"name":"Institute for Breathing and Sleep Austin Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Rochford","sequence":"additional","affiliation":[{"name":"Department of Respiratory and Sleep Medicine Austin Hospital Melbourne Victoria Australia"},{"name":"Institute for Breathing and Sleep Austin Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Worsnop","sequence":"additional","affiliation":[{"name":"Department of Respiratory and Sleep Medicine Austin Hospital Melbourne Victoria Australia"},{"name":"Institute for Breathing and Sleep Austin Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,7,28]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.163.3.2005065"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.5664\/jcsm.27497"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.130.3.780"},{"key":"e_1_2_6_5_1","first-page":"957","article-title":"Subjectively and objectively measured sleep with and without posttraumatic stress disorder and trauma exposure","volume":"35","author":"Kobayashi I","year":"2012","journal-title":"Sleep"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/15402002.2012.670674"},{"key":"e_1_2_6_7_1","volume-title":"The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications","author":"Iber C","year":"2007"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.18773\/austprescr.2012.027"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.124.4.1543"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-146-3-200702060-00004"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.5665\/sleep.1870"}],"container-title":["Internal Medicine Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fimj.12798","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/imj.12798","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,23]],"date-time":"2023-09-23T17:16:58Z","timestamp":1695489418000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/imj.12798"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,7,28]]},"references-count":10,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2015,8]]}},"alternative-id":["10.1111\/imj.12798"],"URL":"https:\/\/doi.org\/10.1111\/imj.12798","archive":["Portico"],"relation":{},"ISSN":["1444-0903","1445-5994"],"issn-type":[{"value":"1444-0903","type":"print"},{"value":"1445-5994","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,7,28]]},"assertion":[{"value":"2015-01-19","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2015-04-27","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2015-07-28","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}