(National Institutes of Health)

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387025/

This explores how wearable devices are used to track performance, monitor health, and support training. It shows that wearables are becoming more common because they allow users to access information quickly without interrupting what they’re doing.

A key takeaway is that these devices work best when interactions are simple and require minimal attention. Users should be able to glance at information or perform quick actions without breaking their focus. This is especially important in active environments.