But it does make you wonder whether phone makers have been doing us all a disservice with these "night-friendly" features. Furthermore, mice aren't the same as humans. The study indicates that brightness levels are more important than color. This should not be taken at face value, though. "Our findings suggest that using dim, cooler, lights in the evening and bright warmer lights in the day may be more beneficial," study lead, Dr. Favorites: Allows calls from contacts in your Favorites list. From here, you can select from the following options: Everyone: Allows calls from everyone on your contacts list. This indicates that we should be doing the opposite of what Night Shift does. Launch the Settings app on your iPhone or iPad. The study's experiments confirm this, with blue colors producing weaker effects on the mice's circadian rhythm than (equally bright) yellow colors. Thus, our bodies are more likely to associate blue light with bed time. The logic behind the study, which is based on experiments performed on mice, is simple: we encounter more yellow light during the day (because, you know, the sun), while twilight is more blue. The study was published in Current Biology and can be found here (Opens in a new tab). And basically every Android phone maker soon followed suit with a similar feature.īut a new study by researchers from the University of Manchester (via The Guardian (Opens in a new tab)) suggests that features like Night Shift might be doing more harm than good. Todd Haselton CNBC If it’s already bedtime, just flip the. Todd Haselton CNBC You’ll be looking at this screen. It reduces the blue light emitted by your phone/tablet's display, which should, ideally, reduce the strain on your eyes while you're using the device late at night. First, open up settings on your iPhone and then tap Do Not Disturb. 2016, Apple introduced a new iOS option called Night Shift.
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