Want Better Sleep? Scientists Say This Matters More Than Reducing Blue Light

A growing body of research suggests screens aren’t the main sleep disruptor. Instead, what you do during the day could matter more.

BY LEILA SHERIDAN, NEWS WRITER

Millions of people have turned on blue light filters, put their phones down early, and blamed their screens for sleepless nights. But new research suggests the real problem may be somewhere else.

The fear around blue light can largely be traced back to a small but influential 2014 study. Researchers........

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