3 ms·
It has nothing to do with oxygen; Yawning is caused by other people yawning in the vicinity.
by _9ptr 1y ago
It has nothing to do with oxygen; Yawning is caused by other people yawning in the vicinity.
- williamdclt 1y agoOf course not. Sympathy yawning is a thing of course, but have you never yawned by yourself with no one around?
- kridsdale1 1y agoThis isn’t the case for my dog or infant.
- _9ptr 1y agoThey remembered a yawn