Personalized Obstructive Sleep Apnea Treatment and Effects on Alzheimer's Disease Biomarkers and Cognition Among Blacks

This study is investigating whether treating sleep apnea (a condition where breathing repeatedly stops during sleep) can protect brain health and reduce the risk of Alzheimer's disease in older Black adults. Sleep apnea is underdiagnosed and undertreated in Black communities, and researchers want to find out if treatment improves cognitive outcomes. **You may be eligible if...** - You identify as African American, African, Caribbean, or Black - You are between 60 and 85 years old - You have been diagnosed with obstructive sleep apnea (OSA) - You can be reached by phone and consent to sharing your medical information **You may NOT be eligible if...** - You have a progressive illness where significant disability or death is expected within 1 year - Your cognitive or physical abilities prevent you from participating - You are planning to move within the next year - A family member is already enrolled in this study Talk to your doctor to see if this trial is right for you.