Whether you’re hearing about it from friends or stumbling upon it online, there’s a lot of chatter about why turning your ...

which is made to emit a specific wavelength of red light shown to improve sleep, but it’s better than staring at a bright white screen. To use the red light on an iPhone, go to Settings ...

Enter red light therapy. I've got a great list of options ... the lights seem to sit further away from the face and don't appear as bright as other devices we tried even though the nanometers ...

So, what's all this screen time actually doing to your ... Screens emit a mix of red, green, and blue light — similar colors in sunlight. And over millennia, it was blue wavelengths in sunlight ...