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Adults exposed to high levels of residential transportation noise from traffic (cars and buses), as well as planes and trains, faced a higher risk of serious heart-related events and a higher likelihood of developing cardiovascular risk factors, such as high cholesterol, high blood pressure or diabetes, even among people with healthy sleep, according to new, independent, preliminary research to be presented at the American Heart Association's Scientific Sessions 2026. The meeting will take place Nov. 6–9 in Chicago.

"The key finding of our study is that the relationship between noise exposure and cardiovascular disease events, and the number of cardiovascular risk factors developed, was similar among people with and without unhealthy sleep, suggesting that healthy sleep is not protective against adverse heart impacts of noise exposure," said lead study author Joseph Nguyen, M.D., an internal medicine resident physician at Massachusetts General Hospital and a member of the Cardiovascular Imaging Research Center in Boston.

"We expected that disordered sleep would influence the relationship between noise exposure and heart disease. It was surprising to find that sleep health appeared to play no role.

"Road traffic noise has become a significant issue; however, research indicates that noise from other forms of transportation, such as aircraft noise, can also increase the risk of heart disease. The World Health Organization states that noise is a public health risk and has set limits on noise exposure to help reduce these effects," Nguyen said.

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