Sleep health of assisted-living residents
Official title: Understanding the Association Between Sleep Quality, Physical Activity, and Memory in Assisted-Living Residents
Run by University of Calgary · NCT04400617 · Data updated 2026-11-12
This project tries to see if sleep quality is linked with physical activity, functional ability, and memory in older adults living in assisted-living facilities.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 50 Years and up |
| Sex | All |
| Enrollment | 150 (estimated) |
| Sponsor | University of Calgary Academic / other |
| Locations | 1 site (Calgary, Alberta) |
| Status | Recruiting |
| Started | January 1, 2023 |
| Main results expected | December 31, 2027 |
| Study ends | December 31, 2027 |
| Registry record updated | May 1, 2026 |
| Trial ID | NCT04400617 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal participants are ambulatory assisted-living residents who are relatively cognitively intact (CPS 0–3), speak English, have life expectancy greater than one year, and are inactive (<3 sessions/week of vigorous exercise).
✕Probably not a fit
Patients with severe cognitive impairment (CPS >3), terminal illness, non‑English speakers, wheelchair-dependent residents, or those with medical/neurological conditions that would confound cognitive testing are unlikely to benefit or be eligible.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This cross-sectional feasibility study recruits inactive assisted-living residents and uses overnight polysomnography, wrist actigraphy, and sleep questionnaires to objectively measure sleep quality. Participants complete functional and physical tests plus cognitive testing (including the MoCA and memory-focused assessments) to examine links between sleep, activity, and cognition. The protocol includes a comparison group of community-dwelling older adults of similar age and cognitive status to contextualize findings. The primary aim is to test whether polysomnography and actigraphy can be feasibly implemented in assisted-living settings and to explore associations among sleep, functional capacity, and memory performance.
Why it matters
Potential benefit: If successful, this work could improve detection of sleep disorders in assisted-living residents and guide targeted activities or treatments that may slow or delay cognitive decline.
How similar studies have gone: Community-based studies have linked activity, sleep, and cognition, but applying overnight polysomnography and actigraphy specifically in assisted‑living residents is largely untested and represents a novel feasibility effort.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Be inactivity, which will be defined as an engagement in \< 3 sessions/week of 20 min or more of vigorous exercise; * Be able to move independently without the assistance of a wheelchair. Exclusion Criteria: * Diagnosis of a developmental handicap; * Residents who are not able to understand communication and be understood by others and do not have decision-making capacity according to the Cognitive Performance Scale (CPS) \> 3; The investigators will assess all the resident's capacity with the Brenda Strafford Foundation caregivers, even if their CPS is within the range included in the study (CPS 0-3); * Terminal illness (life expectancy \< 1 year); * Not fluent in English; * Currently participating in another trial; * Comorbid medical or neurological illnesses (e.g., multiple sclerosis) that would confound cognitive assessments or make trial completion unlikely (in the site investigator's opinion); * Contraindication for the tests.
Where it's running
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University of Calgary
Calgary, Alberta, Canada Recruiting
Study contacts
- Principal investigator: Marc J Poulin, PhD, DPhil — University of Calgary
- Study coordinator: Marc J Poulin, PhD
- Email: poulin@ucalgary.ca
- Phone: 403.220.8372
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.