Blue Light Mitigation

Switching to red-spectrum lighting for evening ambient light eliminates the melatonin-suppressing and cortisol-spiking effects of blue light. Avoiding all screen exposure for approximately 2 hours before sleep is the most complete solution for eliminating blue light exposure. Software filters provide only partial blue light reduction because some blue wavelengths remain in screen output. Amber or red-tinted blue-light-blocking glasses physically block blue wavelengths before they reach the retina. Software filters like f.lux or Night Shift progressively remove blue-spectrum wavelengths from screen displays after sunset.