for Patients - Have a diagnosis of Alzheimer's disease (probable or possible) or other related dementia as documented in an electronic medical record - Community-dwelling - >1 sleep problems >3x/week on the Neuropsychiatric Inventory Nighttime Behavior Scale, - - Aged >60 years - Have no untreated sleep disorders (e.g., sleep apnea, restless legs syndrome) - Able to ambulate with or without assistive devices (i.e., dyads will be excluded if the care recipient is bedbound) - Have no severe medical conditions with a life expectancy of less than 6 months - Have an eligible caregiver Inclusion Criteria for Caregivers - Live with an eligible patient - Aged >18 years - Is related to the patient as a family member, a significant other, or a friend - Have regularly assisted patient with >1 of 6 basic activities of daily living (ADLs; i.e., bathing, dressing, toileting, transferring, continence, feeding) or >1 of 8 Instrumental ADL (IADLs; i.e., using the telephone, shopping, food preparation, housekeeping, laundry, transportation, taking medications, managing money) for the past 6 months - Pittsburgh Sleep Quality Index (PSQI) total score >5 - Montreal Cognitive Assessment (MoCA) ≥23 - Can communicate in English

• Patients will be excluded if they are bedbound or have severe medical conditions with a life expectancy of less than 6 months. - Paid, professional caregivers will also be excluded. - If the eligibility criteria for either a patient or a caregiver are not met, the dyads will be excluded for this study.