Sundowner's (Canine Cognitive Dysfunction) symptoms in dogs often appear as evening confusion, including disorientation (getting lost in familiar places, stuck in corners), increased vocalization (barking, whining), anxiety (pacing, panting, trembling), disrupted sleep (restless nights, sleeping days), and house soiling (accidents indoors). These signs signal a worsening of dementia as daylight fades, affecting interaction, sleep cycles, and daily routines, often becoming more pronounced at night.

How to tell if your dog has sundowners?

Sundowning syndrome is technically a form of dementia in dogs, with disorientation, restlessness, vocalization, and affected sleep patterns. It is important to note that sundowners isn't a disease by itself, but a pattern of symptoms experienced in older dogs with cognitive decline.

How do you calm a dog with sundowners?

How can you calm a dog with sundowners?

1. Maintain a calm household (or give your dog a quiet spot) ...
2. Play calming music. ...
3. Avoid bright lights, especially in the evening or at night. ...
4. Exercise and explore together. ...
5. Keep your dog's surroundings familiar and safe.

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 can trigger 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.

Sundowner's Syndrome in senior pets

What time of day does sundowning start in dogs?

Sundowner syndrome, also known as sundowning, is a phenomenon observed in some dogs with canine cognitive dysfunction (CDS). It refers to a pattern of increased confusion, restlessness, and agitation that occurs in the late afternoon or evening.

What breeds of dogs are prone to dementia?

Although any breed of dog can develop dementia, it's most common in smaller breeds. This may be because they generally live longer than larger dogs. Dementia is a common condition affecting older dogs. It's similar to Alzheimer's disease in humans and the symptoms can be just as distressing for everyone involved.

What time of day does sundowning occur?

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.

Why is my senior dog restless at night all of a sudden?

His sleep-wake cycles may be affected by cognitive dysfunction or other types of central nervous system disorders. Ask your dog's veterinarian to do a complete examination to look for medical problems that could cause restlessness, discomfort or an increased need to eliminate.

When to euthanize a dog with sundowners?

It is a difficult decision to make, but some signs that it may be time to consider euthanasia for a dog with dementia include a decline in quality of life, loss of appetite, inability to control bodily functions, and increased confusion and anxiety.

How do vets check for dementia in dogs?

If clinical signs of dog dementia are recognized, an MRI can help with diagnosis of CCDS. Degenerative brain diseases like canine cognitive dysfunction syndrome literally cause the brain to shrink, which can be captured by an MRI. MRI also helps to exclude other conditions that could impact a dog's health.

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 can be mistaken for dog dementia?

However, CDS remains underdiagnosed due to lack of awareness – pet owners often assume the symptoms are a part of normal ageing, rather than dementia. Another issue with diagnosis is that many of the symptoms of CDS overlap with other conditions such as diabetes, deafness, and osteoarthritis.

Are dogs scared when they have dementia?

A: Activity and anxiety

Your dog may show more or less activity, for example, pacing at night but unwilling to go on walks during the day. They may resist going to new places or meeting new people and also act anxious in social situations.

What is the 7 7 7 rule for dogs?

The "7 7 7 rule" for dogs is a puppy socialization guideline, originally by Pat Hastings, suggesting exposing puppies to 7 different people, 7 different locations, and 7 different surfaces/objects/sounds/challenges (variations exist) by about 7 weeks old to build confidence, resilience, and prevent fear or anxiety as adults. Key experiences include meeting diverse individuals, visiting different places like a vet's office or friend's house, walking on various substrates (grass, tile, carpet), and encountering new objects and gentle challenges (like tunnels or boxes).
 

What is end of life sundowning?

Sundowning syndrome in the end-of-life stage of dementia involves worsening confusion, agitation, anxiety, and restlessness as evening approaches, caused by brain changes, fatigue, and environmental triggers like low light, with management focused on maintaining calm routines, bright lighting in afternoons, soothing activities, and sometimes medication, but terminal agitation and restlessness can also signal the final days as the person nears death, requiring gentle reassurance and comfort. 

What worsens sundowning?

Factors that may worsen late-day confusion

Increased shadows. Disruption of the body's "internal clock." Trouble separating reality from dreams. Being hungry or thirsty.

---