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Environment
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Arts / Culture
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Special Coverage
Growing Up With Guns
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Unequal Shots
Class of COVID-19
Coronavirus Postcards
Children And The Baker Act
Affordable Care Act
Healthcare Reform
Opioid Addiction
Growing Up With Guns
Coronavirus
Black Mental Health
Unequal Shots
Class of COVID-19
Coronavirus Postcards
Children And The Baker Act
Affordable Care Act
Healthcare Reform
Opioid Addiction
NPR Health
Coronavirus
News Staff
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Health News Florida Staff
blue light
NPR Health
Apps Can Cut Blue Light From Devices, But Do They Help You Sleep?
Jon Hamilton
Lots of phone and tablet apps promise to improve sleep by filtering out the blue light from device screens. But that won't help if the reason you're not getting enough shut-eye is caffeine or stress.
Listen
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3:05