The goal of this study is to learn whether a videoconference-delivered CBT-I program (REPAIR Sleep) can improve sleep and psychological well-being in caregiver-PLwD dyads. The main questions it aims to answer are: * Does REPAIR Sleep improve insomnia severity and other sleep outcomes? * Does REPAIR Sleep improve psychological outcomes such as mood, stress, and quality of life? Researchers will compare REPAIR Sleep with Healthy Living to see whether REPAIR Sleep leads to greater improvements. Participants will: * Attend five weekly virtual sessions * Complete sleep diaries and questionnaires * Wear an actigraphy device * Complete follow-up assessments over 9 months
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Change in insomnia severity
Timeframe: Baseline - Day 1, 1-week post-intervention - Week 8 , 3-months post intervention - Week 20, 6-months post intervention- Week 32