In the race to put out the latest and greatest in technological innovation, there are a handful of times when developers release a product then have to sit back and think, “Maybe we should have thought that through.” Sometimes it’s platforms like MySpace. Other times it’s updated operating systems that basically hijack your computer. In either case, a lot of the time and money spent in development goes towards tweaking problems that arise after the tech is out there.

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Apple has recently released a second round update to its iOS 9 for iPhone, but the third iteration is already in beta works. One of the hot-topic features that will come out with iOS 9.3 will address a well-known complication with any kind of mobile screen: the blue LED.

After touchscreens, LED screens, and pretty much any kind of exciting light up screen hit the market, people started to theorize that having your device in the room with you while you slept wasn’t a good idea. There were a fair number of theories that bordered on alien conspiracy, but scientists finally rooted out the issue. The blue glow associated with the screen can actually block the production of melatonin, something your brain produces in the process of sleep regulation. Now, there are even stronger theories that the screen can affect melatonin production before you ever try to sleep, meaning your late evening phone use can make it harder to sleep even after you put down your device.

Apple’s latest update will follow in line with other manufacturers who are working to address the problem. In the new iOS update, a feature called Night Shift will start to ease the glow of the screen based on your time zone and location in order to produce optimal sleep results. There are two new updates to Notes and the News app that will also streamline both of those tools.