If you have ever left your dog with a sitter and heard, “They did great, but they acted a little different,” you are not alone.
Maybe your normally confident dog paced by the door. Maybe they did not finish breakfast. Maybe they followed the sitter from room to room, barked more than usual, had an accident in the house, or slept in a spot they never usually sleep.
It can be surprising, and sometimes a little heartbreaking, to hear that your dog was not quite themselves while you were away.
But in many cases, it does not mean something is wrong.
It means your dog is adjusting.
After fostering dogs for many years, I have seen this over and over again. A dog can be sweet, loving, playful, and completely comfortable one day, then unsure the next when their environment or routine changes. Dogs are deeply connected to their people, and when that person leaves, even temporarily, the dog may need time to feel secure again.
That is why dog sitting is about more than food, walks, and potty breaks.
It is about helping a dog feel safe until their person comes home.
Dogs Notice More Than We Think
Dogs are incredibly good at reading patterns.
They know when you grab your keys. They know what it means when the suitcase comes out. They know the sound of your car, the time you usually feed them, the way you move through the house, and the small routines that make up their day.
So when something changes, your dog notices.
Even if they love the person watching them, the energy is different. Their favorite person is gone. The routine may feel slightly off. The house may sound different. The sitter may use different words, walk a different route, or feed them a few minutes later than usual.
To us, those things may seem small.
To a dog, they can feel big.
Some dogs adjust quickly. Others need extra patience, structure, and reassurance.
Common Ways Dogs Act When Their Owner Is Away
Every dog is different, but it is very common for dogs to show small behavior changes when their owner leaves.
Your dog may:
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Eat less than usual
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Pace or watch the door
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Follow the sitter around the house
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Bark more than normal
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Have an accident indoors
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Sleep more than usual
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Sleep less than usual
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Seem extra clingy
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Seem nervous on walks
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Lose interest in toys or play
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Chew something they normally would not
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Need more reassurance than usual
These behaviors do not automatically mean your dog is being “bad” or that the sitter is doing something wrong.
Often, it means your dog is trying to make sense of the change.
Dogs communicate through behavior. When they feel unsure, stressed, confused, or unsettled, their actions may look different than they do when everything feels normal.
A Change in Routine Can Be Stressful
Dogs feel safest when they know what to expect.
That is why routine matters so much. Feeding times, potty breaks, walks, bedtime habits, favorite resting spots, and even the way you say goodnight can all help your dog feel secure.
When their routine changes, even a little, some dogs feel it.
Maybe breakfast is served in a different bowl. Maybe the sitter uses a different door for potty breaks. Maybe the walk happens at a new time. Maybe the dog is allowed in a room they usually avoid, or kept out of a space they normally enjoy.
These details may not seem important to us, but they can matter to dogs.
Keeping your dog’s routine as familiar as possible can help reduce stress while you are away.
Before leaving your dog with a sitter, it helps to write down the basics:
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Feeding times
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Potty routine
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Walking schedule
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Bedtime routine
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Crate instructions, if needed
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Favorite toys or comfort items
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Things that make your dog nervous
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Anything the sitter should avoid
The more familiar your dog’s day feels, the easier it may be for them to settle.
Some Dogs Need More Time to Feel Comfortable
Not every dog reacts the same way when their owner leaves.
Some dogs are social and happy as long as someone is with them. Others are more sensitive and need time to trust the new situation. Some dogs become clingy. Some become quiet. Some want extra attention. Others prefer space.
None of these reactions are wrong.
A nervous dog should not be forced to act normal right away. They may need a calm environment, a predictable routine, and a sitter who understands that trust takes time.
If your dog tends to be anxious when you leave, tell the sitter what helps.
Maybe your dog settles with a blanket from home. Maybe they relax with soft music. Maybe they like a slow sniff walk. Maybe they do better with their crate, a fan, a chew, or a lick mat.
The goal is not to overwhelm them with attention.
The goal is to help them feel safe.
Enrichment Can Help Dogs Settle
When dogs feel unsure, they often need something healthy to do with their brain and body.
That is where enrichment can make a big difference.
Licking, chewing, sniffing, and problem solving are natural calming activities for many dogs. They give dogs an outlet and help redirect their focus from “Where did my person go?” to “I have something safe and enjoyable to do.”
Helpful enrichment options include:
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Lick mats
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Puzzle toys
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Snuffle mats
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Safe chews
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Treat-dispensing toys
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Frozen enrichment
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Short training games
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Calm sniff walks
At Three Yellow Dogs, we believe enrichment is more than just play. It helps dogs feel mentally satisfied, emotionally supported, and more fulfilled, especially during times of change.
If you are leaving enrichment for your sitter to use, make sure they know which toys, treats, and chews are safe for your dog. Some dogs need supervision with certain items, especially if they are strong chewers.
Why Sitters Need to Know What Is Normal
One of the most helpful things you can do before leaving your dog with a sitter is explain what is normal for your dog.
Not just what they eat.
Not just where the leash is.
Your sitter should know what your dog is like on a normal day.
For example:
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Does your dog sometimes skip breakfast when stressed?
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Do they need extra time to potty?
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Are they nervous around other dogs?
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Do they bark at delivery trucks?
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Do they pull on leash?
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Do they need a crate, fan, nightlight, or specific blanket?
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Are they allowed on furniture?
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Do they try to bolt through doors?
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Do they guard food, toys, beds, or people?
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Are there certain treats, toys, or activities they should avoid?
These details help the sitter understand your dog instead of guessing.
If your sitter knows what is normal, they are more likely to notice when something is truly wrong. They are also more likely to respond calmly when your dog needs extra support.
What Sitters Should Not Take Personally
If you are the one dog sitting, remember this: the dog may not act like themselves right away.
They may not eat the first meal. They may stare at the door. They may follow you everywhere. They may not want to play. They may be more vocal, more restless, or more unsure than expected.
Do not take it personally.
You are stepping into a role that matters a lot. The dog may simply need time to understand that they are safe with you.
The best thing you can do is keep things calm and predictable.
Follow the owner’s instructions. Stick to the routine. Avoid big changes. Do not take the dog to new places, dog parks, off-leash areas, or social outings unless the owner specifically approved it.
Your job is not to make the dog love you immediately.
Your job is to keep them safe, comfortable, and cared for until their person comes home.
When to Be Concerned
Some behavior changes are normal when a dog’s owner is away, but there are times when a sitter should contact the owner or veterinarian.
Reach out if the dog:
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Refuses food for more than a day
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Has repeated vomiting or diarrhea
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Seems weak, lethargic, or disoriented
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Has trouble breathing
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Shows signs of pain
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Has repeated accidents when that is unusual
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Tries to escape
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Becomes extremely fearful or aggressive
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Has a seizure
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Gets into something unsafe
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Is acting very different from what the owner described
When in doubt, it is always better to communicate early.
A quick message to the owner can prevent a small concern from becoming a bigger problem.
How Owners Can Help Before They Leave
If your dog will be staying with a sitter, a little preparation can make the transition easier.
Before you leave, set your dog and sitter up for success by doing these things:
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Write down your dog’s routine
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Leave clear feeding instructions
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Share medication and health information
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Provide emergency contacts and vet information
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Explain your dog’s behavior around other dogs, people, and children
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Point out escape risks, fears, or safety concerns
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Set out safe toys, chews, and enrichment
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Leave comfort items that smell like home
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Keep your goodbye calm and simple
The more prepared your sitter is, the more secure your dog is likely to feel.
Final Thoughts
Dogs are creatures of habit, connection, and routine. When their owner leaves, it is normal for some dogs to act a little different.
They are not being difficult.
They are adjusting.
The best thing we can do is prepare the sitter, keep the routine familiar, provide comfort, offer safe enrichment, and give the dog time to settle.
Because dog sitting is not just about making sure a dog is fed and walked.
It is about helping them feel safe, understood, and cared for until their person comes home.
