Sundowning in dogs, a symptom of Canine Cognitive Dysfunction (dementia), does not typically go away on its own, as there is no cure for this progressive, terminal condition. While it does not disappear, the associated anxiety and nighttime restlessness can often be managed, delayed, or improved through veterinary-prescribed medication, supplements, and consistent, calming routines.

Can sundowners in dogs go away?

Just like us, our beloved dogs' brains undergo changes as they age that can impact memory and behavior. Sundowners syndrome in dogs is officially called canine cognitive dysfunction syndrome, and may be abbreviated CCD or CDS. This is a degenerative disease, meaning that it will steadily get worse over time.

What medication is used for sundowning dogs?

I often prescribe melatonin, a hormone that helps regulate sleep cycles. There's a specific medication called selegiline (Anipryl®) that's approved for canine cognitive dysfunction. I find it works well in some dogs, not so much in others.

At what age do dogs get sundowning?

In fact, one research study indicated that 28% of 11 to 12-year-old dogs, 48% of 14-year-old dogs, and 68% of 16-year-old dogs will have some degree of cognitive dysfunction. In general, sundowners can affect activity levels, personality, and sleep-wake cycles.

When to put a dog down with sundowners?

How do you know when to put a dog with dementia to sleep?

1. Does your dog still engage with you?
2. Is there still 'life' in its eyes, or do they just stare at you blankly?
3. Is the dog constantly living in fear and barking?
4. Does it have a healthy appetite, good energy levels, is it of good mental condition?

Sundowner's Syndrome in senior pets

What mimics sundowners in dogs?

Medications to help with circadian rhythms – dogs with cognitive dysfunction often will pant, pace, and sometimes vocalize at night then be exhausted and sleep all day. It is thought to be similar to sundowning in humans where the circadian rhythms become dysregulated. It can lead to a vicious cycle.

What stops sundowning?

To prevent sundowning, establish a predictable daytime routine with plenty of natural light and activity, then create a calm, well-lit, and less stimulating environment in the evening with soft music and familiar objects, while avoiding caffeine, alcohol, and large meals late in the day to reduce confusion and agitation. Keeping a consistent schedule helps regulate the body clock and provides reassurance for people with dementia, but always talk to a doctor about potential underlying issues like pain or medication side effects.

Does CBD help dogs with sundowning?

Sundowning can throw off your dog's sleep rhythm. CBD may help reset their natural cycle, making it easier for them to sleep at night and feel more settled.

Can sundowning be reversed?

While there is no cure for sundowning, there are ways to manage symptoms with therapy, medication, and environmental adaptations to ensure the patient is comfortable and their physical needs are met.

How to slow down dementia in dogs?

Mentally stimulating games can keep the brain active and potentially slow the progression of dementia. Some examples of games to play include: Using a snuffle mat to encouraging natural foraging behaviors. Teaching basic tricks or reinforcing commands your pet already knows.

What triggers sundowning?

Sundowning triggers in people with dementia often involve a mix of biological factors, like disrupted internal clocks and fatigue, and environmental stressors, such as low light, shadows, routine changes, or hunger/thirst, all amplified by the brain changes from dementia itself, leading to increased confusion, anxiety, and agitation as evening approaches. Common triggers include fatigue, changes in light, disrupted routines, unmet needs (hunger, pain, infection), and emotional stress from caregivers or surroundings.

How to reverse sundowners in dogs?

Consider starting your dog on Anipryl® (selegiline), a medication that increases dopamine levels in the brain and has been shown to reverse brain changes caused by canine cognitive dysfunction. If appropriate, consider anti-anxiety medication to help alleviate more severe symptoms.

How quickly do dogs deteriorate with dementia?

How fast does dog dementia progress? According to research, there are three distinct stages of progression, which level from mild to severe, with symptoms worsening and ramping up as time goes on. This can take from six months to a year between stages worsening.

How long will sundowning last?

Sundowning episodes in people with dementia usually last for a few hours, starting in the late afternoon or evening and potentially continuing through the night, though the exact duration varies widely, from minutes to all night, depending on triggers, environment, and individual health. While episodes are temporary, they often occur consistently around the same time each day as daylight fades, with symptoms easing by morning, but can be prolonged if triggers like shadows, hunger, or fatigue remain. 

How long do sundowning episodes last?

Sundowning episodes in people with dementia usually last for a few hours, starting in the late afternoon or evening and potentially continuing through the night, though the exact duration varies widely, from minutes to all night, depending on triggers, environment, and individual health. While episodes are temporary, they often occur consistently around the same time each day as daylight fades, with symptoms easing by morning, but can be prolonged if triggers like shadows, hunger, or fatigue remain. 

What medication is used to stop sundowning?

Hypnotics, benzodiazepines, and low-potency antipsychotics are among conventional therapy that used to manage evening agitation and behavioral disruptions associated with sundowning.

What time of day do sundowners start?

The symptoms of sundowning typically occur between the hours of 4:30 p.m. to 11 p.m. and may be worse during the fall and winter months when the daylight hours are shorter. As a caregiver, some signs to look out for include: Signs of fatigue or unmet needs, pain or discomfort. Agitation, anger or irritability.

What to give a dog with sundowners?

My beautiful Sammy had CCD as well canine cognitive disorder also known as Sundowners syndrome. Trazodone can be a very effective medication to help reduce anxiety and restlessness.

What is the average lifespan of dogs with dementia?

The average amount of time a dog will live after being diagnosed with dementia is about two years. That time estimate is drastically impacted on the stage of the disease when it is caught. That's why it's critical that you never dismiss or ignore a change in your pets behavior or routine.

Why do dogs with dementia pace at night?

These include: Cognitive decline – As in humans, cognitive function tends to worsen as dogs age. Confusion, anxiety, and sleep disturbances increase as cognitive abilities decrease, which can lead to pacing, particularly at night. Pacing is one of the repetitive behaviors common in cognitive issues.

Why do dogs get sundowners?

While the exact cause of sundowner syndrome in dogs is not fully understood, it is believed to be related to changes in their internal body clock. The disruption of the circadian rhythm can lead to increased confusion and anxiety during the evening hours.

How to calm a dog with dementia at night naturally?

How to calm a dog with dementia at night

1. Follow a predictable routine. Dogs with CCD thrive on routine. ...
2. Create a safe and cozy space. ...
3. Consider using calming aids. ...
4. Keep your dog well-exercised. ...
5. Keep a nightlight on. ...
6. Stay close by. ...
7. Rule out other, underlying health issues.

Do dogs with dementia drink more water?

Behavioral changes, aging, eating disorders (dog dementia drinking water can be higher just because older dogs get lost, wake at night, forget where their bowl is). Your vet wants to be notified in case there is more thirst with the loss of weight, vomiting, weakness, or alterations in the type of urination.

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