Social-media users were moved by the interaction in the viral clip, with one writing, "that's the sweetest thing ever." ...

Puppies are some of the cutest animals known to man. It’s no surprise that dogs frequently win the prize for the most popular ...

Dogs have shorter sleep cycles that last 45 minutes at a time and only spend 10% of their sleep in REM, or the deep-sleep stage. Compare that to our 90-minute cycles with 25% of it spent in REM.

Dog sleep reactivity Most pet parents are familiar with the sort of reactivity in dogs that happens during the day – lunging while on their leash, barking at passersby, growling when they see a ...

Wow! That's way more sleep than I thought they needed! I'm glad that Stephanie shared not only that dogs need 12-16 hours of sleep a day, but also what happens when they don't get it.

An English bulldog enjoys morning in bed of his owner in Moscow, 14 January 2005. ALEXANDER NEMENOV/Getty Images Patricia McConnell, Applied Animal Behaviorist and author of The Other End of the ...

“On the one hand, dogs and cats may be beneficial for an owner’s quality of sleep due to the social support that pets provide,” said Dr. Lauren Wisnieski, who led the study, in a statement.

Dogs can dream just like humans can, and while researchers aren't certain, here's what they likely picture when they twitch or growl in their sleep.