yawning

Yawning is often contagious.

he began yawning and looking at his watch.

She couldn't stop yawning during the boring meeting.

Yawning is contagious, so seeing someone yawn may make you yawn too.

He covered his mouth while yawning politely in the quiet library.

The long and tiring lecture left everyone yawning by the end.

Yawning is a natural response to tiredness or boredom.

The sleepy toddler kept yawning while waiting for his bedtime story.

The comedian's jokes were so funny that no one was yawning in the audience.

Yawning can also be a sign of lack of oxygen in the body.

She tried to stifle a yawn by covering her mouth with her hand.

Yawning is a way for the body to increase oxygen intake and wake up the brain.