Sharing an article that quoted me on the psychological implications of yawning, of all things! We yawn for many reasons, not all of them known, but many people don’t know that it can be in response to the anxiety of others and as a signal to try to get them to feel safe.
https://www.toledoblade.com/health-well-being/2023/09/17/yawning-can-signal-more-than-just-fatigue/stories/20230917015