Nighttime Exposure to Bright Light Increases Heart Attack Risk by 47%, Study Finds

Key Findings of the Study: Researchers analyzed data from approximately 89,000 individuals in the United Kingdom who wore wrist sensors to measure light exposure levels. The study spanned an average of 9.5 years. Those exposed to higher levels of bright light at night (top 10% of light exposure) showed a significantly increased risk of heart-related conditions: