A little-known iPhone setting designed to help with motion sickness is getting fresh attention, with users and researchers looking at whether animated on-screen dots can make screen use more comfortable during travel. The feature, highlighted as being buried in Apple’s settings, is being talked about as a possible aid for people who feel sick in cars, on boats or in other moving environments.

The discussion also points to long-running research into why motion sickness happens and how visual signals can affect it. Tom Stoffregen, professor emeritus at the University of Minnesota, is referenced in the report as someone who has spent years studying the problem and who knows how debilitating it can be. His experience underscores how severe motion sickness can become for some people, far beyond mild discomfort.

The basic idea behind the iPhone motion sickness setting appears to be that visual cues on the screen may help the brain process movement more smoothly. That has made the feature stand out, especially for people who want to use their phones while traveling without triggering nausea. Even so, interest in the setting also raises a broader question about whether reducing discomfort will simply encourage more screen time in situations where screens often make symptoms worse.

For now, the feature is attracting notice because it offers a built-in option on a device many people already carry. While it is not being presented as a universal cure, the iPhone motion sickness setting is emerging as a notable example of how smartphone software is being used to address a very physical, very common travel problem.