3 ms·
Many different proposed causes listed in the wikipedia article.
by 4gotunameagain 1y ago
Many different proposed causes listed in the wikipedia article.
- JadeNB 1y agoAlso a brief survey in the linked Scientific Reports article.
- smokel 1y agohttps://en.wikipedia.org/wiki/Yawn https://en.wikipedia.org/wiki/Yawn Not mentioned in the Wikipedia article, but in a referenced article [2]: "Another puzzling phenomenon is that some male animals, men included, yawn in association with penile erection" [2] https://www.nbcnews.com/id/wbna3076713 https://www.nbcnews.com/id/wbna3076713