Mechanisms and Consequences of Sleep Disparities in the U.S. (R21) | PAR 17 235

Opportunity Information: Apply for PAR 17 235

The National Institutes of Health (NIH) funding opportunity titled "Mechanisms and Consequences of Sleep Disparities in the U.S. (R21)" (Funding Opportunity Number PAR-17-235) supports exploratory, early-stage research focused on why sleep deficiencies are more common or more severe in U.S. populations that experience health disparities, and how those sleep problems may contribute to unequal health outcomes. The program uses the NIH R21 mechanism, which is designed for developmental and high-impact pilot work that can generate early evidence, test new ideas, develop measures, or establish proof-of-concept findings that can later grow into larger, more definitive studies.

The central goal is twofold. First, it encourages research that digs into the underlying mechanisms that drive sleep deficiencies in health disparity populations. "Mechanisms" can include biological pathways (for example, stress physiology or cardiometabolic regulation), behavioral and psychosocial factors (such as chronic stress, discrimination, shift work, caregiving burden, or mental health comorbidity), and environmental or structural conditions (like housing quality, neighborhood noise and light exposure, crowding, safety concerns, and work schedules). Second, it promotes research that links sleep deficiencies to downstream health disparities, meaning it seeks to clarify how insufficient sleep, poor sleep quality, irregular sleep timing, sleep disorders, or circadian disruption might help explain differences in rates of disease, symptom burden, functional outcomes, or mortality across populations. In practice, a strong application would typically connect sleep to measurable health outcomes and articulate a plausible pathway for how sleep contributes to inequities rather than treating sleep as an isolated behavior.

This opportunity sits in the NIH education and health funding activity space and is associated with multiple CFDA numbers (93.273, 93.307, 93.393, 93.395, 93.399, 93.866), reflecting how sleep intersects with several NIH institutes and mission areas. The emphasis on exploratory work means applicants are generally expected to propose focused aims that are achievable within an R21 scope and budget, such as developing or validating sleep measures in underrepresented populations, identifying mediators or moderators of sleep-health relationships, testing small interventions or natural experiments, or using novel data sources (for example, actigraphy, wearable data, ecological momentary assessment, or neighborhood-level exposure data) to illuminate sleep disparity pathways.

A wide range of applicants are eligible. Eligible organizations include state, county, city or township governments; special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; Native American tribal governments (federally recognized); tribal organizations that are not federally recognized; public housing authorities and Indian housing authorities; nonprofits with or without 501(c)(3) status (excluding institutions of higher education under those categories); for-profit organizations other than small businesses; small businesses; and other eligible entities. The FOA also explicitly highlights eligibility for institutions and organizations that often serve health disparity communities, including Historically Black Colleges and Universities (HBCUs), Hispanic-serving Institutions, Tribally Controlled Colleges and Universities (TCCUs), Alaska Native and Native Hawaiian Serving Institutions, and Asian American Native American Pacific Islander Serving Institutions (AANAPISISs). It also notes that eligible agencies of the federal government, faith-based or community-based organizations, regional organizations, and U.S. territories or possessions may apply. That broad eligibility is consistent with the topic area, since sleep disparities research often benefits from partnerships among academic researchers, healthcare systems, community organizations, housing authorities, employers, and local or tribal governments.

There are important restrictions related to foreign involvement. Non-domestic (non-U.S.) entities (foreign organizations and foreign institutions) are not eligible to apply directly, and non-domestic components of U.S. organizations are not eligible. However, foreign components are allowed as defined in the NIH Grants Policy Statement, which generally means a U.S. applicant organization can include a foreign element in the project when it is well-justified and adds unique expertise, resources, populations, or scientific value that cannot be readily obtained in the United States. In other words, the application must be led by an eligible U.S.-based applicant organization, but certain internationally based activities or collaborations may be permitted if they meet NIH requirements.

In terms of funding scale and timing, the listed award ceiling is $200,000, which aligns with the smaller, developmental nature of the R21 mechanism. The original closing date shown is July 11, 2019, and the FOA record indicates it was created on March 29, 2017. While those dates suggest this specific listing reflects an earlier competition cycle, the program description still clearly communicates what NIH was seeking: innovative, targeted studies that explain why sleep deficiencies cluster in disparity-affected groups and how those sleep problems translate into unequal health outcomes. Applicants responding to a similar or reissued announcement would generally be expected to frame their proposed work around disparity-relevant populations and contexts, present a clear conceptual model linking determinants of sleep to sleep outcomes and then to health outcomes, and show that the project will produce actionable knowledge or a strong foundation for subsequent, larger NIH grant applications.

• 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. (R21)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.273, 93.307, 93.393, 93.395, 93.399, 93.866.
• This funding opportunity was created on 2017-03-29.
• Applicants must submit their applications by 2019-07-11. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• Each selected applicant is eligible to receive up to $200,000.00 in funding.
• 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 17 235

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