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This research delves into the predictive relationships between death distress, self-control, bedtime procrastination, and substance misuse. Engaging a diverse cohort of 479 individuals, including those who consume cigarettes and alcohol, aged between 18 and 71 years (Mean\u2009=\u200934.21, SD\u2009=\u200912.61), the study utilized assessments to gauge death distress, self-control, bedtime procrastination, and substance misuse via self-report questionnaires. Through the application of structural equation modeling, the findings revealed that death distress, self-control, and bedtime procrastination are significant predictors of substance misuse behaviors. Furthermore, the analysis highlights that self-control and bedtime procrastination serve as mediating factors in the relationship between death distress and substance misuse. These findings underscore the necessity of identifying and addressing death distress, self-control, and bedtime procrastination to mitigate the effects of substance misuse, thereby emphasizing their significance in prevention and intervention strategies.<\/jats:p>","DOI":"10.1007\/s11126-025-10175-1","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T23:17:00Z","timestamp":1751066220000},"page":"795-804","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["I Can\u2019t Sleep! Death Distress, Self-Control, Bedtime Procrastination, and Substance Misuse"],"prefix":"10.1007","volume":"97","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9630-787X","authenticated-orcid":false,"given":"Fatma Betul","family":"Yilmaz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2871-8589","authenticated-orcid":false,"given":"Seydi Ahmet","family":"Satici","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5655-1635","authenticated-orcid":false,"given":"Emine Gocet","family":"Tekin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,6,28]]},"reference":[{"key":"10175_CR1","doi-asserted-by":"publisher","unstructured":"Ahmad Z, Munir N, Khurshid S, Shahbal S. 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