Circadian-aligned overnight fasting lowers blood pressure, study finds

A randomized study of 39 overweight or obese adults found that finishing meals at least three hours before bedtime and extending overnight fasting to about 12–14 hours—tied to the body’s circadian rhythm—reduced nighttime blood pressure by about 3.5%, lowered heart rate by 5%, and improved daytime blood sugar, suggesting meal timing may meaningfully affect cardiometabolic health; larger, more diverse trials are needed.