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Matzav

Drink Coffee at Night? The Study That May Make You Stop Immediately

Feb 3, 2026·2 min read

A major new study suggests that when you drink your coffee may be just as important as how much you drink it — and that an evening cup could erase many of coffee’s health benefits.

Research published in the prestigious European Heart Journal followed more than 40,000 participants over nearly two decades as part of the United States National Health and Nutrition Examination Survey. The findings indicate that coffee consumption in the morning is associated with a significant reduction in the risk of death from heart disease, while drinking coffee later in the day appears to eliminate those advantages entirely.

According to the researchers, people who primarily drank coffee in the morning experienced an approximate 31 percent reduction in mortality from cardiovascular disease. By contrast, among those who consumed coffee in the afternoon or evening, the protective effect disappeared, leaving their risk levels similar to people who did not drink coffee at all.

The researchers emphasized that the difference was not related to the amount of caffeine consumed, but rather to the timing of coffee intake in relation to the body’s biological clock. Even though evening coffee drinkers consumed the same powerful antioxidants, their bodies did not translate those compounds into cardiovascular protection.

Surprisingly, the pattern held true across all types of coffee, including filter coffee, espresso, instant coffee, and even decaffeinated varieties. The scientists explained that late-day coffee consumption may disrupt the body’s internal circadian rhythm, interfering with metabolic processes that are meant to slow down during periods of rest. This physiological disruption appears to negate the beneficial effects of coffee’s active components.

The study concludes that coffee remains an important ally in reducing the risk of chronic disease, but only when consumed in harmony with the body’s natural rest cycle. To maximize heart health benefits, researchers recommend sticking to morning coffee and avoiding late-day consumption. A simple change in daily timing, they suggest, could determine whether coffee truly works in your favor.

The information provided in this Matzav.com report is for informational purposes only and does not constitute medical advice. It should not be considered a recommendation for treatment or disease prevention. For any medical concerns, consult a qualified healthcare professional.

{Matzav.com}

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