Culturally adapted sleep education for older Korean immigrants
Official title: A Culturally Adapted Sleep Intervention Program for Older Asian Immigrants With Limited English Proficiency
Run by University of California, Los Angeles · NCT07387406 · Data updated 2026-11-12
This pilot tests a Korean-language, culturally adapted CBT-I sleep education program to see if it improves sleep for older Korean immigrants with chronic insomnia.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 60 Years and up |
| Sex | All |
| Enrollment | 32 (estimated) |
| Sponsor | University of California, Los Angeles Academic / other |
| Locations | 1 site (Los Angeles, California) |
| Status | Recruiting |
| Started | February 24, 2026 |
| Main results expected | December 31, 2026 |
| Study ends | January 4, 2027 |
| Registry record updated | March 5, 2026 |
| Trial ID | NCT07387406 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are Korean-born U.S. residents aged 60 or older who speak, read, and write Korean, have significant insomnia (ISI ≥ 15), intact cognition (MoCA ≥ 23), can ambulate, and have low risk for untreated moderate obstructive sleep apnea.
✕Probably not a fit
People with untreated moderate-to-severe obstructive sleep apnea, those who are bedbound, those who do not meet DSM-5 criteria for insomnia, or those unable to participate in Korean-language sessions are unlikely to benefit from this intervention.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This pilot randomized trial will enroll 32 older Korean immigrants with chronic insomnia and randomize them 1:1 to a culturally adapted, manual-based CBT-I program (SLEEP-OK) or an information-only control. The intervention is delivered in Korean through community partner sites and focuses on culturally tailored sleep education and behavioral strategies. Outcomes include feasibility measures, acceptability, and sleep health outcomes measured at baseline and immediately after the intervention. Results will inform whether a larger efficacy trial is warranted.
Why it matters
Potential benefit: If successful, the program could improve sleep quality among older Korean immigrants and expand access to culturally appropriate, non-drug insomnia care.
How similar studies have gone: Standard CBT-I has shown strong benefits for older adults, but culturally adapted CBT-I programs for Korean immigrants are novel and have limited prior evidence.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Korean immigrants (i.e., being a resident of the United States with a birthplace in Korea) * Able to speak, read, and write in Korean * Aged at least 60 years * Have a score of at least 15 on a Korean version of the Insomnia Severity Index * Able to ambulate with or without an assistive device * Have a score of at least 23 on a Korean version of the Montreal Cognitive Assessment (MoCA) * Score less than 5 on STOP-BANG (or proceed with an additional testing \[Watch Peripheral Arterial Tonometry (WatchPAT) and the Epworth Sleepiness Scale if score is equal to or greater than 5 on STOP-BANG) Exclusion Criteria: * Those who are bedbound * Those who do not meet the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) criteria for insomnia disorder * Those who have an untreated apnea-hypopnea index (AHI) at least 15 (moderate obstructive sleep apnea) and Epworth Sleepiness Scale (ESS) at least 11 (indicating mild sleepiness) OR AHI is equal to or greater than 30 (irrespective of ESS)
Where it's running
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University of California Los Angeles
Los Angeles, California, United States Recruiting
Study contacts
- Study coordinator: Yeonsu Song, PhD
- Email: ysong@sonnet.ucla.edu
- Phone: 310-983-3029
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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.