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Blue Light Might Not Be So Bad for Your Sleep After All

Researchers have poked a few holes in a theory that has widespread acceptance. Apple’s feature known as Night Shift promises to help you sleep better by eliminating your exposure to blue light when you use an iPhone, iPad or iPod touch. But a new study is raising questions about that claim. Brigham Young University psychology professor Chad Jensen and researchers from the Cincinnati Children’s Hospital Medical Center set out to test the claim that Night Shift — unveiled in 2016 — can help you sleep better by adjusting your screen to warmer colors once the sun sets. Their findings were published recently in the journal Sleep Health. The goal of Night Shift is to shield Apple device users from blue light, widely believed to disrupt melatonin secretion and sleep cycles.
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