no it isn't
People in the room began to yawn as the lecturer taught his boring lesson. People are often taught that there are times when it can be rude to yawn.
Yawning is contagious.
"Yawn yawn yu" does not have a standard or recognized meaning in English. It could be a playful or whimsical expression that someone uses to convey boredom or tiredness.
Yawning is contagious due to mirror neurons in the brain. When we see someone else yawn, these neurons are activated, triggering us to yawn as well. This phenomenon is believed to be an instinctual form of empathetic behavior.
if someone yawns you say 'I agree'
You are probably more likely to yawn if someone else does as well. But I suppose it's possible! After all yawning is very contagious
Try "yawn" and maybe someone will help you out...
A yawnfest is something which makes someone yawn.
no this is not rude
A yawner is someone who yawns, or, figuratively, something which makes someone yawn.
because your sleepy too.
Sight. If you see someone yawn you start to yawn, if you see someone smile you may start to smile to even blinking or itching can sometimes be contagious by sight.