Nonprofit · EIN 23-7125856
SLEEP RESEARCH SOCIETY
Tax-exempt · DARIEN, IL 60561
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,676,119 | $1,556,892 | $119,227 | $4,394,643 | $257,619 | $4,137,024 |
| December 31, 2024 | 990 | $1,313,063 | $1,292,624 | $20,439 | $4,347,925 | $339,210 | $4,008,715 |
| December 31, 2023 | 990 | $1,213,585 | $1,301,023 | -$87,438 | $4,135,557 | $209,454 | $3,926,103 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $266,272
- Membership dues
- $220,772
- Program service revenue
- $426,637
- Investment income
- $273,254
- Net gain from sales of assets
- $172,381
- Other revenue
- $709,956
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $3,894
- Accounting fees
- $9,620
- Travel
- $12,229
- Depreciation
- $100,000
- Program services (functional)
- $898,452
- Management and general (functional)
- $598,356
- Fundraising (functional)
- $60,084
Balance sheet and other
- Total assets, start of year
- $4,347,925
- Total assets, end of year
- $4,394,643
- Total liabilities, end of year
- $257,619
- Net assets, end of year
- $4,137,024
- Publicly traded securities
- $3,067,173
- Net assets without donor restrictions
- $4,127,028
- Net assets with donor restrictions
- $9,996
- Gross receipts
- $3,145,173
- Employees
- 0
- Volunteers
- 163
- Year formed
- 1988
- State of legal domicile
- MN
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Daniel Buysse | President Trustee or director, Officer | 1 | $25,000 |
| Stephanie J Crowley | Secretary/Treasurer Trustee or director, Officer | 1 | $10,000 |
| Chiara Cirelli | President-Elect Trustee or director, Officer | 1 | $5,000 |
| Namni Goel | Immediate Past President Trustee or director, Officer | 1 | $5,000 |
| Cathy Alessi | Director Trustee or director | 1 | $0 |
| Dayna Johnson | Director Trustee or director | 1 | $0 |
| Fiona Baker | Director Trustee or director | 1 | $0 |
| Julio Fernandez-Mendoza | Director Trustee or director | 1 | $0 |
| Megan E Petrov | Director Trustee or director | 1 | $0 |
| Michael Grandner | Director Trustee or director | 1 | $0 |
| Phillip Cheng | Director Trustee or director | 1 | $0 |
| Rebecca Spencer | Director Trustee or director | 1 | $0 |
| Miranda M Lim | Director (end 6/25) Trustee or director | 1 | $0 |
| Philip Gehrman | Director (end 6/25) Trustee or director | 1 | $0 |
| Suzanne M Bertisch | Director (end 6/25) Trustee or director | 1 | $0 |
1 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| John A Noel | Executive Director Officer | 40 | $0 |
990 for the year ended December 31, 2024: 16 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Daniel Buysse | President Trustee or director, Officer | 1 | $17,500 |
| Namni Goel | Immediate Past President Trustee or director, Officer | 1 | $17,500 |
| Stephanie J Crowley | Secretary/Treasurer Trustee or director, Officer | 1 | $10,000 |
| Suzanne M Bertisch | Director Trustee or director | 1 | $0 |
| Philip Gehrman | Director Trustee or director | 1 | $0 |
| Chandra Jackson | Director Trustee or director | 1 | $0 |
| Girardin Jean-Louis | Director Trustee or director | 1 | $0 |
| Miranda M Lim | Director Trustee or director | 1 | $0 |
| Amy Wolfson | Director Trustee or director | 1 | $0 |
| Cathy Alessi | Director Trustee or director | 1 | $0 |
| Megan E Petrov | Director Trustee or director | 1 | $0 |
| Phillip Cheng | Director Trustee or director | 1 | $0 |
| Julio Fernandez-Mendoza | Director Trustee or director | 1 | $0 |
| Dayna Johnson | Director Trustee or director | 1 | $0 |
| Cynthia Tchio | Director Trustee or director | 1 | $0 |
| John A Noel | Executive Director Officer | 40 | $0 |
990 for the year ended December 31, 2023: 15 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Namni Goel | President Trustee or director, Officer | 1 | $25,000 |
| Stephanie J Crowley | Secretary/Treasurer Trustee or director, Officer | 1 | $10,000 |
| Daniel Buysse | President-Elect Trustee or director, Officer | 1 | $5,000 |
| H Craig Heller | Immediate Past President Trustee or director, Officer | 1 | $5,000 |
| Ravi Allada | Director Trustee or director | 1 | $0 |
| Suzanne M Bertisch | Director Trustee or director | 1 | $0 |
| Philip Gehrman | Director Trustee or director | 1 | $0 |
| Chandra Jackson | Director Trustee or director | 1 | $0 |
| Girardin Jean-Louis | Director Trustee or director | 1 | $0 |
| Miranda M Lim | Director Trustee or director | 1 | $0 |
| Sairam Parthasarathy | Director Trustee or director | 1 | $0 |
| Amy Wolfson | Director Trustee or director | 1 | $0 |
| Cathy Alessi | Director Trustee or director | 1 | $0 |
| Megan E Petrov | Director Trustee or director | 1 | $0 |
| John A Noel | Executive Director Officer | 40 | $0 |
Address and contacts
- Address (IRS master file)
- 2510 N FRONTAGE RD, DARIEN, IL 60561-1511
- In care of
- % STEVEN HENRIKSEN
- Principal officer (990 for 2025)
- John Noel, 2510 North Frontage Road, Darien, IL 605611511
- Signed the 990
- John Noel, Executive Director
- Phone
- (630) 737-9716
- Website
- www.sleepresearchsociety.org
- Return prepared by
- DESMOND & AHERN LTD
Mission
DISSEMINATION OF RESEARCH DIRECTED TOWARD THE STUDY OF SLEEP AND ITS DISORDERS, PROMOTING INTERACTION AMONG SCIENTISTS IN THE AREA OF RESEARCH.
Program accomplishments
- PUBLICATION OF JOURNAL SLEEP - JOURNAL SLEEP IS THE LEADING PEER-REVIEWED JOURNAL IN SLEEP AND CIRCADIAN SCIENCE, AND INCLUDES ORIGINAL FINDINGS AND ANALYSIS RELATED TO SLEEP DISORDERS, MEDICAL DYSFUNCTIONS DURING SLEEP, CLINICAL INVESTIGATIONS, THERAPEUTIC TRIALS, PHYSIOLOGIC EVENTS, ANATOMIC STRUCTURES AND MOLECULAR COMPONENTS UNDERLYING NORMAL AND ABNORMAL SLEEP, PSYCHOLOGICAL AND PSYCHOPHYSIOLOGICAL RESEARCH AND THE PHARMACOLOGY OF SLEEP.Expenses $161,713 · revenue $204,576
- CONFERENCES - SLEEP IS THE PREMIER WORLD FORUM FOR THE PRESENTATION AND DISCUSSION OF THE LATEST DEVELOPMENTS IN CLINICAL SLEEP MEDICINE AND SLEEP AND CIRCADIAN SCIENCE. THE SLEEP MEETING PROVIDES EVIDENCE-BASED EDUCATION TO ADVANCE THE SCIENCE AND CLINICAL PRACTICE OF SLEEP MEDICINE, DISSEMINATES CUTTING-EDGE SLEEP AND CIRCADIAN RESEARCH, PROMOTES THE TRANSLATION OF BASIC SCIENCE INTO CLINICAL PRACTICE, AND FOSTERS THE FUTURE OF THE FIELD BY PROVIDING CAREER DEVELOPMENT OPPORTUNITIES AT ALL LEVELS.Expenses $220,124 · revenue $278,470
- MEMBERSHIP SERVICES EQUIPPING SCIENTISTS TO MAXIMIZE THEIR PROFESSIONAL POTENTIAL BY FOSTERING THE INVESTIGATION OF SLEEP DISORDERS AND PROVIDING FORUMS FOR THE EXCHANGE OF KNOWLEDGE PERTAINING TO SLEEP. MEMBERSHIP INCLUDES OPPORTUNITIES FOR EDUCATION AND TRAINING, RESOURCES FOR PROFESSIONAL DEVELOPMENT, ACCESS TO LATEST SCIENTIFIC RESEARCH, FUNDING OPPORTUNITIES, AND RECOGNITION FOR YOUR EXPERTISE THROUGH THE OLDEST PROFESSIONAL SOCIETY IN THE FIELD OF SLEEP RESEARCH.Expenses $389,462 · revenue $492,692
- TrainingExpenses $127,153 · revenue $160,855
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 23-7125856
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1971
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $4,394,643
- Income (IRS master file)
- $3,145,173
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,676,119 | $1,556,892 | $4,394,643 | XML |
| 990 | December 2024 | $1,313,063 | $1,292,624 | $4,347,925 | XML |
| 990 | December 2023 | $1,213,585 | $1,301,023 | $4,135,557 | XML |
| 990 | December 2022 | $1,064,300 | $957,106 | $4,151,949 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 23-7125856).
Questions about SLEEP RESEARCH SOCIETY
- What is the EIN of SLEEP RESEARCH SOCIETY?
- The employer identification number (EIN) of SLEEP RESEARCH SOCIETY is 23-7125856.
- Is SLEEP RESEARCH SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1971.
- Are donations to SLEEP RESEARCH SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SLEEP RESEARCH SOCIETY file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of SLEEP RESEARCH SOCIETY due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SLEEP RESEARCH SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of SLEEP RESEARCH SOCIETY?
- The 990 for the year ended December 31, 2025 names John Noel.
- Who are the officers and directors of SLEEP RESEARCH SOCIETY?
- The 990 for the year ended December 31, 2025 lists 16 people; 4 received compensation from the organization, the highest $25,000 (Daniel Buysse, President).
- How much revenue does SLEEP RESEARCH SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,676,119, expenses of $1,556,892 and total assets of $4,394,643 at year end.
Other nonprofits in DARIEN
- CHICAGO PAINTERS AND DECORATORS WELFARE FUND EIN 51-0245220 · last filed 990 for 2025
- AMERICAN ACADEMY OF SLEEP MEDICINE EIN 41-1596569 · last filed 990 for 2024
- BOT CHICAGO PAINTERS & DECORATORS RETIREE WELFARE FUND EIN 90-1034518 · last filed 990 for 2025
- CHICAGO PAINTERS AND DECORATORS DEFERRED SAVINGS PLAN FUND EIN 36-6162468 · last filed 990 for 2025
- FRANCENTER EIN 36-3214095 · last filed 990 for 2025
- CHICAGO PAINTERS AND DECORATORS COOPERATION AND EDUCATION TR FUND EIN 36-3778556 · last filed 990 for 2025
- HAWKS HOCKEY CLUB NFP EIN 06-1795565 · last filed 990 for 2025
- AMERICAN ACADEMY OF SLEEP MEDICINE FOUNDATION EIN 41-1920576 · last filed 990 for 2024