Story perspectives

Nighttime Light Increases Heart Risk by Over 50%

10/24/2025

31 3

Summary

Story summary

A Flinders University study finds bright night-time light exposure raises cardiovascular risk, including 56% higher risk of heart failure and 47% higher risk of heart attacks.
Researchers analyzed data from nearly 89,000 UK participants over up to 9.5 years.
The risk stems from nighttime light disrupting circadian rhythms and melatonin production.
Simple steps, like blackout curtains and reducing screen time before bed, could mitigate these risks and support public health awareness.

1 of 1

Story summary

A Flinders University study finds bright night-time light exposure raises cardiovascular risk, including 56% higher risk of heart failure and 47% higher risk of heart attacks.
Researchers analyzed data from nearly 89,000 UK participants over up to 9.5 years.
The risk stems from nighttime light disrupting circadian rhythms and melatonin production.
Simple steps, like blackout curtains and reducing screen time before bed, could mitigate these risks and support public health awareness.