Being "dog-tired" is a badge of effort. It represents a day well-spent and a body that has given its all. Whether you are a golden retriever who just chased a dozen squirrels or a professional finishing a grueling work week, this state of exhaustion is a signal that it is time to stop, breathe, and recover. What does a dog really need for a good day? - Facebook
Much like human toddlers, dogs—especially puppies—can become "cranky and barky" if they don't get enough rest. In these cases, the "dog-tired" state actually requires "enforced naps" to help them decompress.
Often more effective than a long run, mental work through scent games, puzzles, and "sniffathons" can leave a dog more profoundly tired and content.