Morning Coffee Drinking Linked to Lower Risk of Death, Especially From Heart Disease

CATEGORY: HEART & CIRCULATION

Adults whose coffee drinking was concentrated in the morning had a 16% lower risk of death from any cause and a 31% lower risk of death from heart disease over nearly a decade than people who did not drink coffee—while those who sipped coffee throughout the day showed no such link, according to a large US study.¹

How the Study Worked

Researchers analyzed 40,725 adults in the National Health and Nutrition Examination Survey, a long-running federal health study, who had reported the timing of their food and drink. Using a statistical method that groups people by behavior, they identified two coffee patterns: a “morning type” (about 36% of participants) and an “all-day type” (about 14%). The patterns were confirmed in a separate group of 1,463 adults who kept seven-day diet records. Over a median follow-up of about 9.8 years, 4,295 participants died, including 1,268 from cardiovascular disease.

Timing, Not Just Amount

The lower risk tied to morning coffee held even after the researchers accounted for how much caffeinated and decaffeinated coffee people drank, along with sleep and other factors. Among morning drinkers, drinking more coffee was associated with lower mortality; among all-day drinkers, it was not. The authors suggested that drinking coffee later in the day might interfere with sleep or circadian rhythms—the body’s internal 24-hour clock—though the study was not designed to prove why.

What the Findings Do and Don’t Show

This was an observational study, so it can identify an association between morning coffee and lower risk of death but cannot prove the timing caused the difference. Coffee affects people differently, and factors such as heart rhythm, blood pressure, and sleep can shape whether it suits you. Your health care provider can help you weigh how coffee fits your personal heart health.

Key Takeaways

• A morning-focused coffee pattern was associated with 16% lower all-cause and 31% lower heart-disease death risk versus not drinking coffee.
• Drinking coffee all day long was not linked to the same lower risk.
• These are associations, not proof; talk with your provider about how coffee fits your health.

References

1. Wang X, Ma H, Sun Q, et al. Coffee drinking timing and mortality in US adults. European Heart Journal. 2025;46(8):749–759. link.