September 17, 2026 10:28 (EAT) • 2 days ago
Sleeping with the lights on linked to early signs of heart damage
The study, published in the European Heart Journal, found that people exposed to nighttime light levels above just 3 lux, roughly the brightness of moonlight or a sliver of light under a closed door, showed measurable changes in their heart muscle compared to those who slept in complete darkness....