2. Do dogs dream?

Probably. Based on brain wave studies of sleeping dogs, we’ve discovered that dogs and humans share many similar characteristics when sleeping and possibly dreaming. For most dogs, dreaming should occur about 20 minutes after they begin to doze. You’ll notice shallow, irregular breathing followed by muscle twitching and eye movements behind closed eyelids. These eye movements are consistent with REM sleep, when humans dream. The real question is, what do dogs dream about? —Ernie Ward, DVM