If you've spent the day outdoors, the brightness of the phone makes no impact, Zeitzer says. It's what you're doing on that phone that matters. "At that point, it's not the blue light keeping you up.

from a visual perspective, that makes us feel better,” Zeitzer said. Dr. Jamie Zeitzer and postdoctoral fellow Maira Karan ...

Before you start the search, you should know that choosing a light fixture for your makeup vanity is not as simple as it ...