https://www.techradar.com/news/feel-nauseous-in-vr-this-new-ai-co-developed-by-lg-display-could-help

One of the most persistent problems in virtual reality (VR) is that it makes many people feel nauseous, though VR headset developers are aware of the problem and are working to address it head on with improvements like more power and higher-res displays.

These solutions aren't always effective at cutting down motion sickness, however, and can even exacerbate the problem by increasing lag, which leads to motion blur and sickness.