The conference turned into a yawnfest after the third hour of identical presentations.

The film festival and the city council meeting were back-to-back yawnfests that tested everyone's attention.

Her sudden yawniness during the meeting made everyone stifle a laugh.

Everyone in the pub laughed when he branded the clumsy tourists as yawnups.

She yawnfully reached for her coffee, trying to stay awake during the long lecture.

The lecture turned into a yawnathon, and half the audience fell asleep.

Local charities hosted three yawnathons last year to raise awareness for sleep disorders.

The yawnsome lecture made half the class nod off.