Decoding the Signs: Is Your Dog's Yawning a Sign of Stress? That languid, slow yawn you often dismiss might not be about being sleepy at all, it's a critical calming signal, a quiet whisper your dog sends before their anxiety turns into a shout. Discover how to decode the difference between a tired sigh and a stress yawn, along with the compassionate steps you must take once you've learned their secret language.