A recent study found that exposure to even small amounts of light during sleep can affect the heart. This exposure can alter the shape and function of heart muscles, potentially increasing the risk of heart disease. The study's findings suggest that reducing nighttime light exposure could be a strategy for prevention.

The study's author noted that light pollution has emerged as a new risk factor for cardiovascular diseases. Further details about the study and its implications are available.

The research was led by the director of the Obesity Research Center at the University of Tulane.