TIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.
TIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.
You're viewing a single thread.
All comments
52
comments
reading the title of this post made me yawn lol
21 0 Replywelp, i'm glad i wasn't alone
6 0 ReplyIt was the picture for me
6 0 ReplyIt's such a good self portrait.
5 0 Reply
52
comments
Scroll to top