
Pooches may exhibit some of the same states of sleep as their pet owners.
Mandatory Credit: LinedPhotography/Adobe Stock
Stories this photo appears in:
Why do sleeping dogs look like they're running? Experts weigh in
June seems to dream of pursuit. After the long-haired German shepherd settles down for a nap, her floofy, low-slung limbs often begin to twitch and kick. To her owners, she appears to be on the trail of some unseen prey.

