Mechanisms and Consequences of Sleep Disparities in the U.S. (R01 - Clinical Trial Not Allowed) | PAR 20 164

Opportunity Information: Apply for PAR 20 164

The National Institutes of Health (NIH) funding opportunity titled "Mechanisms and Consequences of Sleep Disparities in the U.S. (R01 - Clinical Trial Not Allowed)" (Funding Opportunity Number PAR-20-164) supports investigator-initiated research projects that explain why sleep deficiencies are more common or more severe in U.S. health disparity populations and how those sleep deficiencies contribute to unequal health outcomes. The central goal is to move beyond simply documenting that sleep problems differ across groups and instead clarify the underlying mechanisms driving those differences, along with the downstream effects on health. This FOA uses the NIH R01 mechanism, which is the standard multi-year research project grant intended for well-developed, hypothesis-driven studies.

The scientific focus is on sleep deficiencies and sleep health as both outcomes and contributors to broader disparities. Projects are expected to address mechanistic pathways that may include biological, behavioral, social, and environmental contributors to poor sleep in populations experiencing health disparities. The opportunity also emphasizes consequences: how insufficient sleep duration, poor sleep quality, circadian disruption, sleep disorders, or other dimensions of sleep deficiency may influence disparities in cardiometabolic health, mental health, cognitive outcomes, immune function, pain, maternal and child health, and other health endpoints. In practice, competitive applications would likely connect sleep-related exposures and contexts (for example, shift work, neighborhood factors, chronic stress, discrimination, housing conditions, noise, light exposure, or occupational demands) to measurable sleep outcomes, and then link those sleep outcomes to subsequent health trajectories that differ across populations.

This FOA is explicitly labeled "Clinical Trial Not Allowed," meaning applicants should not propose NIH-defined clinical trials that prospectively assign human participants to an intervention to evaluate effects on health-related outcomes. Observational, epidemiological, and mechanistic human studies are generally consistent with this restriction, as are many types of secondary data analyses, cohort studies, laboratory-based human physiology work that does not meet the NIH clinical trial definition, and animal or translational studies as appropriate to the research question. Applicants need to design their approach so it advances understanding of mechanisms and consequences without crossing into a disallowed clinical trial framework.

Eligibility is broad and reflects NIH's intent to support a wide range of institutions and community-engaged research capacity. Eligible applicants include state, county, and city or township governments; special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; federally recognized Native American tribal governments; tribal organizations other than federally recognized tribal governments; public housing authorities and Indian housing authorities; nonprofits with or without 501(c)(3) status (excluding institutions of higher education in those nonprofit categories); for-profit organizations other than small businesses; and small businesses. The announcement also highlights additional eligible applicant types such as Alaska Native and Native Hawaiian Serving Institutions; Asian American Native American Pacific Islander Serving Institutions (AANAPISIs); Hispanic-serving Institutions; Historically Black Colleges and Universities (HBCUs); Tribally Controlled Colleges and Universities (TCCUs); faith-based or community-based organizations; eligible federal agencies; regional organizations; and U.S. territories or possessions. These categories underscore a strong openness to proposals that are embedded in, or directly partnered with, communities affected by sleep and health inequities.

The FOA includes important rules for non-U.S. participation. Non-domestic (non-U.S.) entities, including foreign institutions, are not eligible to apply as the primary applicant organization, and non-domestic components of U.S. organizations are also not eligible to apply. At the same time, foreign components are allowed as defined in the NIH Grants Policy Statement, which typically means a U.S.-based applicant can include a foreign collaboration component when it is well-justified and adds unique expertise, resources, populations, or scientific value that cannot be readily obtained in the United States.

Administratively, this is a discretionary grant program run by NIH within the U.S. Department of Health and Human Services, and the funding activity category is listed under education and health. The FOA references multiple CFDA numbers (now commonly tracked under Assistance Listings), indicating participation across several NIH Institutes and Centers with relevant missions. The record indicates the original closing date was 2022-07-14, and no award ceiling or expected number of awards is specified in the provided source text, which is common for many NIH FOAs where budgets depend on project scope and institute-specific considerations.

Overall, this opportunity is aimed at producing actionable scientific insight into why sleep disparities exist and how they matter for health, with the long-term expectation that stronger mechanistic understanding will inform more precise public health strategies, clinical awareness, and policy approaches that reduce inequities. Competitive projects would typically bring together rigorous sleep measurement, careful attention to disparity-relevant contexts, and clear analytic plans that can disentangle pathways linking social and environmental conditions to sleep and, in turn, to unequal health outcomes across U.S. populations.

• The National Institutes of Health in the education, health sector is offering a public funding opportunity titled "Mechanisms and Consequences of Sleep Disparities in the U.S. (R01 - Clinical Trial Not Allowed)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.233, 93.273, 93.307, 93.393, 93.394, 93.395, 93.396, 93.399, 93.837, 93.838, 93.839, 93.840, 93.853, 93.866.
• This funding opportunity was created on 2020-04-03.
• Applicants must submit their applications by 2022-07-14. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• Eligible applicants include: State governments, County governments, City or township governments, Special district governments, Independent school districts, Public and State controlled institutions of higher education, Native American tribal governments (Federally recognized), Public housing authorities/Indian housing authorities, Native American tribal organizations (other than Federally recognized tribal governments), Nonprofits having a 501 (c) (3) status with the IRS, other than institutions of higher education, Nonprofits that do not have a 501 (c) (3) status with the IRS, other than institutions of higher education, Private institutions of higher education, For-profit organizations other than small businesses, Small businesses, Others.

Apply for PAR 20 164

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