Behavioral Weight Loss and Sleep Health Intervention

Inclusion Criteria: * Body Mass Index 25-40 kg/m2 * Suboptimal sleep defined as: 1) short sleep duration (actigraphy total sleep time \<6.5 hrs/night), 2) sleep irregularity (actigraphy standard deviation, SD of wake time, bed time or sleep duration \>60 min), 3) poor sleep satisfaction/quality (Pittsburgh Sleep Quality Index, PSQI single item sleep quality question response of "fairly bad" or "very bad"), 4) suboptimal sleep timing (actigraphy sleep midpoint before 2 AM or after 4 AM), 5) daytime sleepiness (Epworth Sleepiness Scale, ESS \>10) and/or 6) suboptimal sleep efficiency (actigraphy sleep efficiency \<85%). * Physically Inactive: defined as \<150 minutes per week of exercise at moderate intensity or greater and \<60 min per day of total habitual physical activity (i.e., work related, transportation related) at moderate intensity or greater, over the past 3 months. * No self-report of acute or chronic disease (cardiovascular disease (CVD), diabetes, pulmonary, gastrointestinal disorders, and orthopedic problems in particular). * No plans to relocate within the next 12 months. * No plans for extended travel (\>2 weeks) within the next 12 months. * Live or work within 30 minutes of the AHWC (exceptions may be made at the discretion of the Study PI). * Capable and willing to give informed consent, understand exclusion criteria, and accept the randomized group assignment. * Own or willing to purchase a smartphone, willing to download and use the Oura Ring and/or Headsp…