{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T05:26:47Z","timestamp":1787030807487,"version":"build-2736575974"},"reference-count":73,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:00:00Z","timestamp":1787011200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000265","name":"Medical Research Council","doi-asserted-by":"publisher","award":["W00710X"],"award-info":[{"award-number":["W00710X"]}],"id":[{"id":"10.13039\/501100000265","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Psychol."],"abstract":"<jats:p>\n                    Researchers are increasingly studying cognitive and psychological constructs using automated online tools due to advantages in scalability, repeatability, accessibility and affordability. The online assessment of sleep presents a challenge, as the most popular instruments for reporting different aspects of sleep were originally designed to be deployed under supervised conditions by trained personnel. Here, we develop and validate the Comprehensive Online Sleep Monitoring Scale (COSMOS), a self-reported sleep scale optimised for online, independent administration. Using data from\n                    <jats:italic>N<\/jats:italic>\n                    \u202f=\u202f5,815 adults, we show that COSMOS has good internal (Cronbach\u2019s\n                    <jats:italic>\u03b1<\/jats:italic>\n                    \u202f=\u202f0.85) and convergent validity, via strong associations with established sleep scales. Poorer COSMOS sleep scores were found in participants diagnosed with mental health conditions, more frequent depression or anxiety symptoms, and higher compulsivity or neuroticism traits, demonstrating good construct validity. We propose COSMOS as a comprehensive and validated sleep assessment that is suitable for large-scale online transdiagnostic and mental health research.\n                  <\/jats:p>","DOI":"10.3389\/fpsyg.2026.1840525","type":"journal-article","created":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:29:01Z","timestamp":1787027341000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Validation of the comprehensive online sleep monitoring scale in a large population sample"],"prefix":"10.3389","volume":"17","author":[{"given":"Laila","family":"Rida","sequence":"first","affiliation":[{"name":"Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King\u2019s College London","place":["London, United Kingdom"]},{"name":"Department of Brain Sciences, Imperial College London","place":["London, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konstantinos","family":"Ioannidis","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Faculty of Medicine, University of Southampton","place":["Southampton, United Kingdom"]},{"name":"NHS Southern Gambling Service, Hampshire and Isle of Wight Healthcare NHS Foundation Trust","place":["Southampton, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel R.","family":"Chamberlain","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Faculty of Medicine, University of Southampton","place":["Southampton, United Kingdom"]},{"name":"NHS Southern Gambling Service, Hampshire and Isle of Wight Healthcare NHS Foundation Trust","place":["Southampton, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jon E.","family":"Grant","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Behavioral Neuroscience, University of Chicago","place":["Chicago, IL, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Hellyer","sequence":"additional","affiliation":[{"name":"Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King\u2019s College London","place":["London, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valentina","family":"Giunchiglia","sequence":"additional","affiliation":[{"name":"Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King\u2019s College London","place":["London, United Kingdom"]},{"name":"Department of Brain Sciences, Imperial College London","place":["London, United Kingdom"]},{"name":"Department of Biomedical Informatics, Harvard University","place":["Cambridge, MA, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William","family":"Trender","sequence":"additional","affiliation":[{"name":"Department of Brain Sciences, Imperial College London","place":["London, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karla V.","family":"Allebrandt","sequence":"additional","affiliation":[{"name":"Department of Medicine, Boehringer Ingelheim International GmbH","place":["Ingelheim am Rhein, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sukhi","family":"Shergill","sequence":"additional","affiliation":[{"name":"Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience","place":["London, United Kingdom"]},{"name":"Kent and Medway Medical School","place":["Canterbury, United Kingdom"]},{"name":"Kent and Medway National Health Service and Social Care Partnership Trust","place":["Kent, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven C. R.","family":"Williams","sequence":"additional","affiliation":[{"name":"Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King\u2019s College London","place":["London, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam","family":"Hampshire","sequence":"additional","affiliation":[{"name":"Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King\u2019s College London","place":["London, United Kingdom"]},{"name":"Department of Brain Sciences, Imperial College London","place":["London, United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,8,18]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"e14031","DOI":"10.1111\/jsr.14031","article-title":"Personality and insomnia: a systematic review and narrative synthesis","volume":"32","author":"Akram","year":"2023","journal-title":"J. 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