Families caring for a loved one with dementia may notice that symptoms often worsen later in the day. Increased confusion, agitation, or restlessness in the evening is commonly known as sundowning dementia. This phenomenon is also referred to as sundowner’s syndrome, especially when describing its symptoms, causes, and treatment options in individuals with Alzheimer’s and dementia during dusk and nighttime.
Sundowning can be one of the more challenging behavioral changes associated with dementia. Understanding what causes it, recognizing the signs, and learning ways to manage symptoms can help caregivers provide comfort and stability for their loved ones.
What Is Sundowning in Dementia?
Sundowning syndrome refers to a pattern of behavioral changes that typically occur in the late afternoon or evening in people living with dementia. As the day transitions into night, individuals may become more confused, anxious, or disoriented.
Not all people with dementia experience sundowning, and the dementia experience sundowning can vary widely from person to person, depending on environmental, physical, and emotional factors.
These dementia sundowning symptoms may vary from person to person, but often follow a daily pattern. Sundowning tends to happen in the late afternoon or evening—this is when sundowning happens most frequently, and symptoms can happen intermittently, sometimes lasting for several hours and often easing by bedtime. While the condition can occur in several types of dementia, it is particularly common in individuals with Alzheimer’s disease.
Although the exact cause of sundowning is not fully understood, researchers believe it is related to changes in the brain that affect the body’s internal clock and sleep-wake cycles.
Common Sundowning Symptoms
The symptoms of sundowning dementia often become noticeable during the late afternoon or evening hours. Certain behaviors may appear suddenly or gradually increase as the day progresses.
Common sundowning symptoms include:
- Increased confusion or disorientation
- Dementia agitation at night
- Restlessness, pacing, or walking aimlessly
- Irritability or sudden mood changes
- Anxiety or fearfulness
- Difficulty sleeping
- Shadowing or following caregivers around
- Hallucinations
Tiredness can contribute to the severity of these symptoms.
These behaviors are sometimes described as late-day confusion in dementia, and they can be stressful for both the individual and their caregivers.
Why Sundowning Happens
There is no single cause of sundowning in elderly individuals with dementia, but several factors may contribute to the behavior, including stress.
Possible causes include:
- Changes in the internal body clock that affect sleep-wake cycles
- Fatigue or exhaustion at the end of the day
- Reduced lighting and increased shadows, which can cause confusion or fear
- Difficulty separating dreams from reality
- Disruption of daily routines
- Underlying health issues or other conditions, such as infections (like urinary tract infections), sleep apnea, or side effects from medication, can also contribute to sundowning
Certain triggers, such as sleep deprivation, pain, medication interactions, emotional stress, or environmental changes, can make sundowning worse. Addressing these factors is important for reducing sundowning symptoms.
Fatigue
As the day progresses, people living with dementia may become physically and mentally tired. This fatigue can make it harder to cope with cognitive challenges, increasing confusion and agitation.
Changes in Light
Reduced daylight in the evening can create shadows and visual confusion. These changes in lighting may trigger anxiety or disorientation.
Disruption of the Body’s Internal Clock
Many individuals with dementia experience disruptions in their sleep-wake cycles, which can lead to dementia sleep disturbances and nighttime restlessness.
Overstimulation
Busy or noisy environments during the day may lead to sensory overload, which can trigger dementia evening anxiety later in the day.
Hunger, Pain, or Discomfort
Physical needs such as hunger, dehydration, or pain can worsen dementia behavioral changes, especially when the individual struggles to communicate their needs.
How Caregivers Can Help Manage Sundowning
Here are some tips for caregivers to manage sundowning dementia and support their loved ones.
Although sundowning dementia can be challenging, several coping strategies may help reduce symptoms and create a calmer evening routine. These approaches not only ease agitation but also help protect the person’s well-being and brain health.
If sundowning symptoms become difficult to manage, talk with a healthcare professional to discuss further treatment options and support.
Maintain a Consistent Daily Routine
A structured schedule helps reduce confusion and provides a sense of predictability. Regular meal times, activities, and sleep schedules can support stability throughout the day.
Encourage Daytime Activity
Physical activity, social interaction, and engaging activities during the day can improve sleep quality and reduce dementia nighttime agitation.
Optimize Lighting in the Evening
Keeping rooms well-lit in the evening can minimize shadows and reduce confusion caused by changing light levels.
Limit Late-Day Stimulation
Reducing noise, bright screens, and stimulating activities in the evening can help prevent dementia agitation at night.
Promote Relaxation Before Bed
Calming activities such as soft music, reading, or gentle conversation can help create a soothing transition toward bedtime.
Medical Treatments and Sundowning
Managing sundowning in dementia often requires a thoughtful combination of medical and non-medical strategies. While sundowning behaviors—such as increased confusion, agitation, and restlessness—are common in people with Alzheimer’s disease and other forms of dementia, the right approach can make a significant difference, especially during the late afternoon and early evening when symptoms tend to worsen.
A key step in managing sundowning symptoms is identifying any underlying health issues that may be contributing to late day confusion. For example, a person with dementia might experience sundowning due to pain, depression, or sleep issues like sleep apnea. In some cases, a urinary tract infection can trigger sudden changes in behavior, including agitation and confusion. Treating these underlying conditions—whether through medication or other medical interventions—can help reduce sundowning symptoms and improve overall well-being.
When medication is considered, it’s important to work closely with a doctor to ensure the benefits outweigh any potential side effects. Some medications used to treat pain, anxiety, or depression can interact with other treatments or even make sleep issues worse. Because sleep disturbances are common in dementia, especially in the evening, finding the right balance is essential. A healthcare professional can help tailor a treatment plan that addresses both the symptoms of sundowning and any contributing health concerns.
Alongside medical treatments, non-medical strategies remain crucial for managing sundowning. Maintaining a predictable routine, encouraging enough sleep, and increasing exposure to natural light during the day can help regulate the body’s internal clock. The National Institute on Aging recommends that people with dementia spend time engaging in enjoyable activities, exercise regularly, and avoid environmental changes that might trigger anxiety or confusion. Providing familiar objects and a calm, comfortable environment in the evening can also help reduce agitation and support a smoother transition as the sun is setting.
It’s important to remember that not everyone with dementia will experience sundowning, and the exact cause of these behaviors is still not fully understood. However, by staying alert to possible triggers—such as infections, pain, or changes in routine—and working with healthcare professionals, caregivers can take proactive steps to manage sundowning and support the health and comfort of their loved ones.
With a combination of medical guidance, environmental adjustments, and compassionate support, families can help reduce sundowning behaviors and improve the quality of life for the person living with dementia.
When Additional Support May Be Helpful
As dementia progresses, managing sundowning behavior can become more difficult for families providing care at home.
Specialized memory care environments are designed to support individuals experiencing behavioral symptoms of dementia. These communities often provide structured routines, calming spaces, and trained caregivers who understand how to respond to changing cognitive needs.
For many families, this type of supportive setting can significantly improve both safety and quality of life.
Supporting a Loved One With Compassion
Experiencing sundowning dementia can be distressing for individuals and their families. However, with patience, understanding, and the right strategies, many symptoms can be reduced.
Recognizing triggers, maintaining consistent routines, and creating calming evening environments can make a meaningful difference in helping individuals feel safe and supported as the day transitions into night.
With the right care and compassionate support, families can help their loved ones navigate these changes while preserving dignity, comfort, and peace of mind.
Questions & Answers about Sundowning Dementia
1. What is sundowning dementia, and when does it occur?
Sundowning, also known as sundowner’s syndrome, refers to a specific pattern of increased confusion, anxiety, and agitation that occurs in people with dementia during the late afternoon, evening, or night. While the exact cause is not fully understood, it is believed to be linked to disruptions in the body’s internal clock and sleep-wake cycles, particularly in those with Alzheimer’s disease.
2. What are the most common symptoms of sundowning dementia?
Symptoms often include a noticeable spike in restlessness, pacing, or irritability as daylight fades. Individuals may become disoriented, suspicious, or fearful, and some may experience hallucinations. Behavioral changes like “shadowing”—where the person closely follows their caregiver—and difficulty staying in bed are also frequent indicators of late-day confusion.
3. What environmental factors can trigger sundowning symptoms?
Reduced lighting and the presence of long shadows in the evening can cause visual confusion and fear for those with cognitive impairment. Other triggers include sensory overload from a noisy or busy environment during the day, physical fatigue, and disruptions to a familiar daily routine. Addressing these environmental elements is a key part of managing the condition.
4. How can caregivers help reduce agitation at night for a loved one?
Maintaining a consistent daily schedule is one of the most effective ways to provide stability. Caregivers can also help by keeping the home well-lit in the evening to minimize shadows, encouraging physical activity during the morning hours to improve sleep quality, and limiting stimulating activities—such as loud television or bright screens—before bedtime.
5. Can underlying medical issues make sundowning behaviors worse?
Yes. Physical discomfort from untreated pain, dehydration, or infections, such as a urinary tract infection (UTI), can significantly worsen agitation and confusion. Additionally, sleep apnea or side effects from certain medications can disrupt rest and exacerbate late-day behavioral changes. A medical evaluation is often necessary to rule out these contributing health factors.
6. When should a family consider professional memory care for sundowning?
If sundowning behaviors become a safety risk or if the exhaustion of providing 24-hour care impacts the well-being of the family, a specialized memory care environment may be helpful. These communities offer structured routines, calming architectural designs, and staff trained in specific de-escalation techniques to support individuals through the most challenging times of the day.
Expert Care for Every Stage of the Journey
As the symptoms of sundowning dementia progress, the level of support your loved one needs will change. The Cordwainer is designed specifically for memory care, featuring advanced technology like Tovertafel and a sensory-rich environment that adapts to the needs of our residents as they evolve, providing a calming atmosphere during the difficult evening hours.
- Experience Our Community: See how we support residents in the later stages of cognitive decline with dignity and joy. Schedule your visit today.
- Call for Guidance: Speak with a memory care specialist at (781) 871-5550 to discuss how we can support your family’s unique transition and help manage late-day behavioral changes.