Heart Damage May Occur from Getting Too Much Light at Night While We Sleep, Study Finds The notion that exposure to light during nighttime sleep can lead to cardiovascular problems has been building for years.
A recent study published in the European Heart Journal adds weight to this concern by demonstrating a clear link between nighttime illumination and measurable cardiac damage.
Researchers analyzed data from over 11,000 participants in the UK Biobank who wore light and motion sensors on their wrists for seven days.