{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T19:35:44Z","timestamp":1792092944232,"version":"4.4.0"},"reference-count":38,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T00:00:00Z","timestamp":1768176000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Public Health"],"abstract":"\n Purpose<\/jats:title>\n This study examined the relationship between sleep quality and mood state and identified psychological predictors of sleep disturbance in elite adult athletes.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n \n A stratified cluster sample of 175 elite adult athletes (67 males, 108 females; age 22.6\u202f\u00b1\u202f3.7\u202fyr) was recruited from Sichuan Province, China. Participants with a Pittsburgh Sleep Quality Index (PSQI) score \u2265 5 were classified as having disturbed sleep (\n n<\/jats:italic>\n \u202f=\u202f87); those scoring &lt; 5 were assigned to the normal-sleep group (\n n<\/jats:italic>\n \u202f=\u202f88). Sleep quality was assessed with the PSQI; mood state was evaluated with the Profile of Mood States (POMS).\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n The disturbed-sleep group scored significantly higher than the normal-sleep group on the PSQI global score and on all seven component scales (\n p<\/jats:italic>\n &lt;\u202f0.01). Tension, anger, fatigue, depression, confusion, self-esteem and total mood disturbance (TMD) were also markedly elevated in the disturbed-sleep group (\n p<\/jats:italic>\n &lt;\u202f0.01). Pearson correlations revealed positive associations between PSQI global score and both fatigue (R\u202f=\u202f0.242) and TMD (R\u202f=\u202f0.347) (\n p<\/jats:italic>\n &lt;\u202f0.01). Multiple linear regression indicated that fatigue (\n \u03b2<\/jats:italic>\n =\u202f0.581,\n p<\/jats:italic>\n &lt;\u202f0.001) and total mood disturbance (TMD,\n \u03b2<\/jats:italic>\n =\u202f0.218,\n p<\/jats:italic>\n =\u202f0.004) were independent predictors of PSQI global score, explaining 57% of the variance (adjusted R\n 2<\/jats:sup>\n =\u202f0.57,\n F<\/jats:italic>\n (2,172)\u202f=\u202f115.59,\n p<\/jats:italic>\n &lt;\u202f0.001). Sex-stratified analysis indicated that the correlations between fatigue, TMD and sleep quality were significantly stronger in female athletes (R\u202f=\u202f0.368 for fatigue, R\u202f=\u202f0.402 for TMD) than in male athletes (R\u202f=\u202f0.286 for fatigue, R\u202f=\u202f0.312 for TMD), and depression scores in the disturbed-sleep group were significantly higher in females than in males (\n p<\/jats:italic>\n =\u202f0.008).\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n Sleep disturbance in elite athletes is closely associated with psychological fatigue and overall mood disturbance, with fatigue as the core predictor. Significant gender differences exist: the mood-sleep association is stronger in female athletes, and sleep disturbance has a more prominent impact on their depressive mood, requiring targeted interventions.<\/jats:p>\n <\/jats:sec>","DOI":"10.3389\/fpubh.2025.1681005","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T07:33:31Z","timestamp":1768203211000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Association between sleep quality and psychological wellbeing in 175 elite adult athletes: a cross-sectional study"],"prefix":"10.3389","volume":"13","author":[{"given":"Hanyu","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heng","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,1,12]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"780","DOI":"10.5281\/zenodo.15208777","article-title":"Benefits of sleep","volume":"4","author":"Alimova","year":"2025","journal-title":"Modern Sci Res"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"e61568","DOI":"10.7759\/cureus.61568","article-title":"Exploring the role of circadian rhythms in sleep and recovery: a review article","volume":"16","author":"Desai","year":"2024","journal-title":"Cureus"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"2519","DOI":"10.1111\/febs.16960","article-title":"Sleep apnoea, gut dysbiosis and cognitive 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