Just like humans might bite their nails or doodle when anxious, dogs sometimes resort to eating grass as a way to cope with their feelings. Dogs left alone for long periods or without enough stimulation may turn to grass eating out of sheer boredom.
While occasional grass eating is not always a concern, frequent or persistent grass eating can sometimes point to an underlying issue worth addressing. From digestive discomfort to nutritional gaps, here are six common reasons dogs eat grass and what you can do about it.

Some dogs eat grass as a coping mechanism when they feel anxious or stressed. Just like people may bite their nails, dogs may compulsively chew on grass as a way to self-soothe. Stress-related grass eating may appear during thunderstorms, separation from owners, or changes in routine.

There's no conclusive evidence that dogs eat grass to vomit or alleviate gastrointestinal issues. Dogs will often engage in behaviors that seem odd to us, but these behaviors are usually not harmful.

Eating grass might be a coping mechanism for dogs feeling anxious, bored, or stressed. The repetitive action of munching on grass can have a calming effect, helping them to relieve tension. In some cases, dogs may also eat grass simply because they enjoy it.