Time-restricted Eating Study (TRES): Impacts on Anthropometric, Cardiometabolic and Cardiovascular Health

Inclusion Criteria: * Adult, 18- 65 years old. * Had history of acute coronary syndrome (ACS) * Clinically stable * Self-reported eating window of at least 12 h per day. Exclusion Criteria: * Severe obesity (body mass index ≥40 kg m-2). * Unstable weight in the past three months (gain or lose more than 4 kg of weight). * Unstable cardiovascular, renal, cardiac, liver, lung, adrenal, or nervous system disease that may compromise study validity. * Any medications or supplements known to change sleep, circadian rhythms, or metabolism. * Pregnant or lactating women. * Perform overnight shift work more than one day/week on average. * Regularly fasted for more than 15 hours/day or having completed twelve 24-hr fasts within the past three months). * Active use of tobacco or illicit drug or history of treatment for alcohol abuse. * Type I diabetes or diabetic, treated with insulin. * Use of anti-obesity drugs or other drugs affecting body weight. * Currently enrolled in weight loss or management programme, including surgical intervention. * Severe kidney failure (glomerular filtration rate (GFR) \<30 mL/min). * Eating disorder or current diagnosis of uncontrolled psychiatric illness, which may impair study involvement. * Malignancy undergoing active treatment. * Had gastrointestinal surgery or impaired nutrient absorption. * Travelled more than two time zones away two months prior to enrolling in the trial or will travel more than two time zones away during the study period. * Concurrent participation in other interventional studies