ArticleJournal of sleep research2020
Negative mood as a mediator of the association between insomnia severity and marijuana problems in college students.
Article in Journal of sleep research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Joint Relations Among Cannabis, Sleep, and Affective Symptomatology: A Scoping Review.Current addiction reports · 2026Review
- A Meta-Analysis of Bi-Directional Associations between Sleep Health and Substance Use among U.S. Youth: Racial/Ethnic Differences.Current addiction reports · 2025Article
- Article
- Longitudinal associations between insomnia, cannabis use and stress among US veterans.Journal of sleep research · 2024Article
- Prevalence and Psychiatric Correlates of Illicit Substance Use in UK Undergraduate Students.Brain sciences · 2023Article
- A Scoping Review of Risk and Protective Factors for Negative Cannabis Use Consequences.Substance abuse : research and treatment · 2023Article
- Prospective associations between sleep disturbances and cannabis use among Veterans: A behavioral economic approach.Addictive behaviors · 2022Article
- Sleep Quality and Self-Control: The Mediating Roles of Positive and Negative Affects.Frontiers in psychology · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Insomnia symptoms have been linked to problematic marijuana use among young adults, but the mechanism underlying this association and whether sex differences exist, remains unclear. Using cross-sectional data, this study examined negative mood as a mediator of the association between insomnia and marijuana problems among male and female college students. Undergraduate students (n = 267; 61% female) reporting marijuana use in the past month completed an online survey assessing insomnia symptoms, negative mood and marijuana problems. Controlling for relevant covariates, negative mood was examined as a mediator of the association between insomnia and marijuana problems using bootstrapped significance tests for indirect effects (n-boot = 1,000). Results indicated that higher levels of insomnia were associated with greater levels of negative mood (regardless of sex), which in turn were associated with greater marijuana-related problems. In conclusion, insomnia symptoms are associated with more negative mood among college students who use marijuana, and this effect on negative mood accounts for a large part of the association of insomnia symptoms with marijuana-related problems. Research is needed to determine if these associations are maintained prospectively.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.