Inclusion Criteria:  First-ever stroke diagnosis ≤12 months prior to study enrollment Discharged directly from the acute medical setting to homecare or selfcare setting following stroke ≥6 hours of sedentary behavior on a typical weekday (assessed by Sedentary Behavior Questionnaire) Ambulatory with or without assistive device (assessed by Functional Independence Measure, mobility score ≥5) Able to access an electronic device (smartphone, tablet, or computer) that is compatible with a videoconferencing application Able to identify a support person with whom the participant has face-to-face interaction at least one time per week Able and willing to participate fully in the study and provide informed consent  Exclusion Criteria:  Severe cognitive or communication impairments (inability to respond accurately to complete study telephone screening or complete informed consent) Comorbid neurodegenerative disorder (e.g. Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis, myasthenia gravis, dementia, Alzheimer's disease, Huntington's disease, glioblastoma) Comorbid cancer, currently undergoing chemotherapy or radiation treatment Comorbid major depressive disorder (assessed by Patient Health Questionnaire-2, score ≥2) Received inpatient treatment or hospitalized for psychiatric condition and/or alcohol or substance abuse within the past 12 months Diagnosis of a terminal illness and/or in hospice care History of skin sensitivity that precludes the use of medical tape necessary for adherence to activity monitor measure Inability to speak, read, or understand English Planning to move away from the Chicagoland area prior to the anticipated end of study participation Concurrent participation in another rehabilitation intervention research study Investigator discretion for safety or adherence reasons