Combined with a balanced diet, regular physical activity and adequate sleep, this overnight fasting window may support sustainable weight loss without the rigidity of longer fasts. A 12-hour overnight fasting routine naturally eliminates this eating window without requiring complicated food rules. A 12-hour fasting schedule, however, fits more naturally into daily life. Story continues below this adIt may improve metabolic healthThe benefits of overnight fasting extend beyond weight loss. When combined with a healthy lifestyle, regular overnight fasting may improve insulin sensitivity, support better blood sugar control and contribute to overall metabolic health.