![]() ![]() One reason for this problem is that the display spectra of modern LCDs is distinctly different from the sun.Ĭurrent data suggests that blue light in the 460-490nm wavelength is what’s most disruptive to human sleep patterns. Lower melatonin levels are linked to both difficulty falling asleep and less restful sleep in general, and the long-term health consequences of insufficient rest can be significant. Over the past few years, a growing body of research has found a significant, repeatable effect on the body’s production of melatonin and the spectrum of light would-be sleepers are exposed to immediately before going to bed. DisplayMate recently put Night Shift through its paces to determine how well the technology works, and wrote an extensive article on both current best practices and future design recommendations.įirst, a bit of background. Night Shift is designed to reduce the amount of blue light emitted by an iDevice’s display to reduce the sleep disturbance often created by late-night browsing sessions on a smartphone or tablet. When Apple launched iOS 9.3 last month, it included support for a new feature known as Night Shift. ![]()
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