You can read the full study here.IPad (9th generation), iPad 10.2-inch, iPad 9, iPad (10.2-inch) (3rd generation), iPad (2021)Ĭurrent: iPadOS 16.3.1, released February 13, 2023Īpple A13 Bionic with 64-bit architecture and embedded motion co-processorġ0.2 inches (260 mm) 2160 × 1620 px (264 ppi) with a 4:3 aspect ratio, 500 nits max brightness (typical) Dark Mode or Night Shift kicks in? You know it’s time to wind down for the day. It could also be a routine issue, as well. Studies like this should be treated with some skepticism, and in many cases the effects of blue light and brightness on a body clock can very from person to person. “We think there is good reason to believe it’s also true in humans,” says Dr Brown. Of course, at this point, we only know it works on mice – and mice don’t have phones. This makes basic sense: daylight is yellow, twilight is blue, and sunrise and sunset are pretty reliable ways to tell your body clock what time it is. The research showed blue colors produced weaker effects on the mouse body clock than equally bright yellow colours. The study used specifically designed lighting that allowed researchers to adjust color without changing brightness. But, when the light is equally dim, “blue is more relaxing than yellow.” The study was conducted on mice by Dr Tim Brown, who says there is good reason to believe it also applies to humans. The study says that brightness levels are more important than colors when it comes to your body clock. This research says it’s possible that these features actually confuse the body clock more than they help it. The idea is that reducing blue light exposure helps the body get ready for sleep.
Reducing blue light exposure has been a common suggestion for many years, and so-called “ blue light glasses” even exist to counteract it.
New research suggests, however, that features designed to reduce blue light before bedtime might not be as effective as initially thought.Īccording to new research from The University of Manchester (via The Guardian), features like Night Shift could be doing the opposite of what they are intended to do. These features are designed to change the temperature and color of your display based on what time of day it is. Several years ago, Apple introduced its adaptive color temperature feature “Night Shift,” while iOS 13 includes system-wide Dark Mode.
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