A new study in the U.K. found sleeping with a nightlight could literally KILL YOU. People who don't sleep in total darkness are more prone to heart attacks.
Don't worry, kids. This isn't about you. It only looked at people over 40. The average age was 62.
90,000 adults wore sensors on their wrist that tracked light levels around them. The study specifically looked at how dark their bedrooms were while they slept.
People who slept in total darkness were the least likely to end up with heart issues. And the ones with the brightest bedrooms had a 47% higher heart attack risk . . . so, definitely don't sleep with ALL the lights on.
But even people in "moderately bright" rooms had a 20% higher risk. "Moderate" could mean a nightlight, or even that TV you left on.
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