{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T10:06:51Z","timestamp":1789553211966,"version":"build-2803163510"},"reference-count":0,"publisher":"ALUNA","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Wiadomo\u015bci Lekarskie"],"abstract":"<jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>This study aims to identify key predictors of sleep quality among adults in Uzbekistan, with a focus on health-related factors such as physical activity, psychological well-being (happiness, stress, loneliness), and self-rated health status. The research addresses a critical and growing public health issue in transitional societies, where sleep disturbances remain underexplored despite their widespread impact on overall health and well-being<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and methods<\/jats:title>\n                    <jats:p>A cross-sectional survey was conducted online in June 2024 among 450 adults aged 18 and older from various regions of Uzbekistan. Sleep quality was assessed using a 5-point Likert scale. Independent variables included physical activity, happiness, stress, loneliness, and health status. Ordinal logistic regression was applied, controlling for socio-demographic characteristics<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Happiness (OR = 1.812, p &lt; 0.001) and physical activity (OR = 1.293, p = 0.045) were significantly associated with better sleep quality, while stress (OR = 0.833, p = 0.026) and poor health (OR = 0.526, p &lt; 0.001) predicted lower sleep quality. Subgroup analysis confirmed that age and gender modulate these associations, with happiness remaining the strongest and most consistent predictor.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These findings highlight the pivotal roles of emotional well-being, lifestyle, and health in shaping sleep quality. Public health strategies should incorporate mental wellness, physical activity, and stress management to improve population-level sleep outcomes in Uzbekistan and similar socio-cultural contexts.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.36740\/wlek\/222247","type":"journal-article","created":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T09:39:33Z","timestamp":1789551573000},"page":"1500-1510","source":"Crossref","is-referenced-by-count":0,"title":["Is happiness the strongest predictor of sleep quality? A study on physical activity, stress, and health in Uzbekistan"],"prefix":"10.36740","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7411-8368","authenticated-orcid":false,"given":"Ekaterina","family":"Lyulina","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7736-0587","authenticated-orcid":false,"given":"Rashid","family":"Matkarimov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1097-4787","authenticated-orcid":false,"given":"Georgiy","family":"Korobeynikov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8648-316X","authenticated-orcid":false,"given":"Lesia","family":"Korobeinikova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-3864-8032","authenticated-orcid":false,"given":"Vladimir","family":"Raximov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-2598-5918","authenticated-orcid":false,"given":"Gulsara","family":"Asatova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-1823-7884","authenticated-orcid":false,"given":"Janibek","family":"Muratov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-0105-2767","authenticated-orcid":false,"given":"Nietbek","family":"Qaypov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"22436","published-online":{"date-parts":[[2026,7,30]]},"container-title":["Wiadomo\u015bci Lekarskie"],"original-title":[],"link":[{"URL":"https:\/\/www.wiadomoscilekarskie.pl\/pdf-222247-145208","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.wiadomoscilekarskie.pl\/pdf-222247-145208","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T09:39:35Z","timestamp":1789551575000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.wiadomoscilekarskie.pl\/Is-happiness-the-strongest-predictor-of-sleep-quality-A-study-on-physical-activity,222247,0,2.html"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7,30]]},"references-count":0,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2026]]}},"alternative-id":["222247"],"URL":"https:\/\/doi.org\/10.36740\/wlek\/222247","relation":{},"ISSN":["0043-5147","2719-342X"],"issn-type":[{"value":"0043-5147","type":"print"},{"value":"2719-342X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,7,30]]}}}