Circadian Intervention to Improve Cardiometabolic Health

This study is investigating whether changing daily timing habits — like eating and sleeping schedules — can improve heart and metabolic health in people who are overweight and regularly sleep less than 6.5 hours per night. Researchers want to understand if circadian rhythm interventions can reduce the health risks that come with poor sleep and excess weight. **You may be eligible if...** - You are between 18 and 45 years old - Your BMI is between 25 and 34.9 (overweight or mildly obese) - You regularly sleep less than 6.5 hours per night on average **You may NOT be eligible if...** - You have a diagnosed sleep disorder or major psychiatric illness - You have diabetes, heart disease, or kidney disease - You take prescription medications that affect sleep or blood sugar - You have done shift work in the past year - Your weight has changed by more than 10% in the last 6 months - You are currently going through or past menopause - You are enrolled in a weight loss or physical activity program Talk to your doctor to see if this trial is right for you.