Sleep disparities in the first month of college: Implications for academic achievement
Open accessAbstract
Study Objective: We investigated sleep disparities and academic achievement in college. Methods: Participants were 6,002 first-year college students attending a midsize private university in the southern United States [62.0% female, 18.8% first-generation, 37.4% Black, Indigenous, or People of Color (BIPOC) students]. During the first 3–5 weeks of college, students reported their typical weekday sleep duration, which we classified as short sleep (<7 hours), normal sleep (7–9 hours), or long sleep (>9 hours). Results: The odds for short sleep were significantly greater in BIPOC students (95% CI: 1.34–1.66) and female students (95% CI: 1.09–1.35), and the odds for long sleep were greater in BIPOC students (95% CI: 1.38–3.08) and first-generation students (95% CI: 1.04–2.53). In adjusted models, financial burden, employment, stress, STEM academic major, student athlete status, and younger age explained unique variance in sleep duration, fully mediating disparities for females and first-generation students (but only partially mediating disparities for BIPOC students). Short and long sleep predicted worse GPA across students’ first year in college, even after controlling for high school academic index, demographics, and psychosocial variables. Conclusions: Higher education should address sleep health early in college to help remove barriers to success and reduce disparities.
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Poor sleep and low PA levels are associated with poorer cognitive functioning, stress management, and academic outcomes.
“Previous studies have reported that poor sleep and low PA levels are associated with poorer cognitive functioning, stress management, and academic outcomes [14,28].”
From Relationships Between Physical Activity, Sleep, Psychological Well-Being, and Academic Performance Among Native American College Students (2026) · cites this paper as [28]
The Introduction’s “Academic Achievement” section links poor sleep to impaired memory and attention, increased stress reactivity and poor coping, and lower GPA. The General Discussion’s “Sleep and Academic Achievement” section makes the same connection, but neither section establishes the claimed association for low physical activity (PA) levels; exercise is mentioned only as another habit. Page numbers are unavailable in our copy. (LLM, conf=0.88)
Experimental — accuracy not yet measuredInsufficient sleep is associated with impaired cognitive functioning.
“Studies have also reported that insufficient sleep is associated with impaired cognitive functioning, further underscoring the importance of good sleep for PWB [26,28].”
From Relationships Between Physical Activity, Sleep, Psychological Well-Being, and Academic Performance Among Native American College Students (2026) · cites this paper as [28]
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Sanyaolu, O., Reeves-Doyle, B., Olaniyan, A. C., Max, T., Asala, A., & Osime, E. (2026) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph23040491
- Authors
- Bermudez, V. N., Fearon-Drake, D., Wheelis, M., Cohenour, M., Suntai, Z., & Scullin, M. K.
- Affiliations
- Baylor University (US)
- Office of Institutional Research, Baylor University , USA
- Corresponding author
- Scullin, Michael K
- Venue
- SLEEP Advances
- Publisher
- Oxford University Press (OUP)
- Published
- 2022-01-01
- Volume
- 3
- Issue
- 1
- Pages
- zpac041-zpac041
- ISSN
- 2632-5012 (ISSN-L)
- PMC
- PMC10104382
- OpenAlex
- W4308506810
- Cited by
- 16
- References
- 15
- Citations by year
- 2026: 6 · 2025: 6 · 2024: 1 · 2023: 3
- FWCI
- 2.30
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- SLEEP Advances (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Funders
- National Science Foundation (1920730, 1943323)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Social Sciences › Education › Educational Outcomes and Influences
- Social Sciences › Education › Higher Education Research Studies
- Keywords
- sleep duration, sleep disparities, first-year college students, academic performance, grade point average, BIPOC students, first-generation college students, gender differences, financial burden, student employment, academic stress, student athletes, STEM majors, sleep health
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
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What counts as a claim ›How we measure confidence ›How we check this ›
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