1 She managed to stifle a yawn.

2 He struggled to stifle a yawn.

3 He faked a yawn. ?

4 The debate was a mockery. A big yawn.

5 He covered his mouth to hide his yawn.

6 Her yawn suggests that she is sleepy.

7 The concert was a predictable yawn.

8 I suppressed a strong urge to yawn.

9 The little boy gave a huge yawn.

10 She makes no attempt to stifle a yawn.

11 I just managed to smother a yawn.

12 Kay shook her head and stifled a yawn .

13 He tried to conceal his yawn behind his hand.

14 The party was a big yawn.

15 She stifled a cough/yawn/scream/sneeze.

16 She stifled another yawn and tried hard to look interested.

17 Do you start the day with a yawn instead of a smile?

18 The meeting was one big yawn from start to finish.

19 Rosanna stifled a huge yawn.

20 It was followed by a stifled yawn.

21 She felt desperately tired but couldn't yawn.

22 A yawn,(www.Sentencedict.com) then a big sigh.

23 He sighs and stifles a yawn.

24 Ickes is wont to yawn in mid-conversation.

25 Last-minute mini-scandals were a yawn.

26 He gave an ostentatious yawn.

27 She stretched her arms out and gave a great yawn.

28 The alarm did go off but all I did was yawn, turn over and go back to sleep.

29 She looked up from her work and gave a yawn .

30 We have to go to dinner with Simon's boss on Saturday which is a bit of a yawn.