Sleep and Physical Activity Intervention for Increasing Physical Activity in Overweight or Obese and Sedentary African Americans

Inclusion Criteria: * Sedentary (not meeting Physical Activity Guidelines) * Overweight and/or obese adults (body mass index range: 25.0 or greater) * Average habitual sleep duration of =\< 6 hours * Access to internet * Self-identify as black or African American * Able to engage in moderate intensity physical activity as determined by the Physical Activity Readiness Questionnaire (PAR-Q) or by physicians clearance (letter from physician or nurse practitioner) if endorsing any items on the PAR-Q Exclusion Criteria: * Pre-existing sleep disorder (i.e., insomnia, sleep apnea, restless leg syndrome, narcolepsy, and sleep walking disorder via self-report) * High risk for obstructive sleep apnea (i.e., STOP-BANG score \> 5) * Psychiatric disorder (current risk of severe depression as measured by Center for Epidemiologic Studies Depression Scale \[CESD\] \> 15 with/without past history of diagnosed Diagnostic and Statistical Manual of Mental Disorders \[DSM-V\] disorder) * Self-reported physician diagnosed thyroid condition that is not currently being treated * Shift work or employment that requires weekly flights to a different time zone or overnight travel * Enrolled in weight management program * Excessive caffeine intake (\> 400 mg caffeine intake/day or the equivalent of \> 4 cups of coffee) * Plans to change residence out of Houston within the next 3 months * Self-reported pregnancy or less than 4 months postpartum * Participated in formative focus groups/individual interv…