Sundowning in dogs is a manifestation of Canine Cognitive Dysfunction (CCD) or dog dementia, where senior dogs experience increased confusion, anxiety, and restlessness as daylight fades. It disrupts sleep-wake cycles, often leading to nighttime pacing, barking, or disorientation. This progressive, degenerative condition requires veterinary diagnosis and management.

How to calm a dog with sundowners?

Besides relying on calming medications and supplements, try out some of these at-home tips to help decrease sundowning:

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.

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.

Can sundowning be cured in dogs?

There's no cure for sundowning or dementia, but there are things you can do to help your dog feel more secure and less anxious.

What triggers sundowning in dogs?

As dogs get older, their brains naturally change, which can affect their cognitive function and lead to behaviours we see in sundowning syndrome. This form of cognitive dysfunction can result from changes in brain functions, reduced production of sleep hormones such as melatonin, and/or reduced sensory perception.

Sundowner's Syndrome in senior pets

How long does sundowning last before death?

Sundowning doesn't usually start occurring until the mid to late stage of dementia. However, once it does start, it's something that can potentially happen every afternoon/evening. Additionally, while a sundowning episode is happening, it can last for many hours or through the night.

What are the early signs of sundowning?

Early signs of sundowning often appear in the late afternoon/evening and include subtle but increasing restlessness, agitation, irritability, and confusion, alongside mood swings, difficulty sleeping, and increased anxiety as daylight fades. These behaviors can worsen over time, becoming more pronounced and leading to pacing, wandering, yelling, or paranoia as symptoms progress.
 

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 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 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).
 

Is sundowning close to death?

Sundowner's Syndrome at the end of life is also common, although it can also occur during earlier stages. Sometimes referred to as “sundowning,” this symptom describes the worsening confusion, anxiety, and agitation that patients experience late in the afternoon and evening.

What triggers sundowning behavior?

Factors that may contribute to trouble sleeping and sundowning. Mental and physical exhaustion from a full day of activities. Navigating a new or confusing environment. A mixed-up "internal body clock." The person living with Alzheimer's may feel tired during the day and awake at night.

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 medication is used for sundowning?

A medication approved by the FDA to treat sundowning symptoms is brexpiprazole (Rexulti). This atypical antipsychotic is FDA-approved for agitation associated with Alzheimer's dementia. It works by targeting the serotonin and dopamine chemical pathways in the brain.

What is the difference between sundowners and dementia?

Sundowning isn't a disease. It's a group of symptoms that occurs at a specific time of the day. These symptoms may affect people with Alzheimer's disease and other types of dementia. The exact cause of sundowning is not known.

Are dogs with dementia unhappy?

How Dog Dementia Affects Quality of Life. Just like humans experiencing cognitive decline, dogs with CCD can feel anxious, confused, and afraid. Their familiar routines may suddenly feel foreign. They may wander, vocalize more, or appear lost, even in their own home.

What is the 7 second rule for dogs?

The "7-second rule" for dogs is a simple test to see if pavement is too hot for their paws: press the back of your hand to the ground for seven seconds, and if it's too hot for you to hold comfortably, it's too hot for your dog's paw pads, which can easily burn on surfaces like asphalt, concrete, and even artificial turf. This helps prevent paw burns by prompting you to walk during cooler times (early morning/late evening) or stick to grass, as tarmac can get extremely hot even on moderately warm days.
 

What does sundowning look like in dogs?

Sundowning in dogs, a sign of Canine Cognitive Dysfunction (CCD), looks like increased confusion, restlessness, and anxiety in the late afternoon/evening, with symptoms including aimless pacing, getting stuck in corners, excessive barking/whining, house-soiling accidents, sleep pattern changes (more daytime sleep, less nighttime), and altered interactions like clinging or withdrawal, all linked to a disturbed sleep-wake cycle.

---