Dreaming about dogs: what that dream usually reflects

The short answer

Dream interpretation is not prediction and not diagnosis. This article separates what sleep research observes from what popular interpretation associates with the theme.

Dreaming about a dog is not a sign of a loyal friend or of betrayal. Animals are among the most frequent characters in human dreams, and the dog is the animal we live with most.

Read also: Dreams about flying: what happens in the brain and Dreaming about death: why it happens and what it does not mean.

What research observes

The continuity hypothesis explains much of it: people who have a dog at home, who lost one recently or who had a scare with an animal in the street are more likely to dream about it.

Source: Schredl and Hofmann, Continuity between waking activities and dream activities, Consciousness and Cognition, 2003.

When the dog appears attacking, the dream joins the threat group that Revonsuo links to a safe rehearsal of danger.

Source: Revonsuo, The reinterpretation of dreams, Behavioral and Brain Sciences, 2000.

Do dogs dream too?

We cannot ask a dog, but there is strong indirect evidence that mammal brains replay the day during sleep. In a classic study published in Science, researchers recorded hippocampal neurons in rats running a maze and then while the animals slept. The same firing patterns came back during sleep.

So the twitching paws and quiet whimpers while your dog sleeps are not nothing: it is the brain at work.

Source: Wilson and McNaughton, Reactivation of Hippocampal Ensemble Memories During Sleep, Science, 1994.

When grief is in the dream

Dreaming of a dog that died is one of the most frequent reports from people who lost a pet. It usually comes with longing, relief and sometimes guilt. Grief over an animal is real grief, even though few people talk about it.

See also dream meanings.