Understanding Sundowning: Why Dementia Symptoms Often Seem Worse in the Evening

Many caregivers notice that their loved one becomes more confused, anxious, restless, or agitated later in the day. The person may pace, ask repetitive questions, become suspicious, or have difficulty settling down for the evening.

This phenomenon is commonly known as "sundowning."

While sundowning can be frustrating and exhausting for caregivers, understanding why it occurs can help families respond more effectively and create a calmer environment for everyone.

What Is Sundowning?

Sundowning refers to a pattern of increased confusion, agitation, anxiety, or behavioral changes that typically occur during the late afternoon, evening, or nighttime hours.

Not everyone living with dementia experiences sundowning, but it is relatively common, particularly as the condition progresses.

Symptoms may include:

• Increased confusion

• Restlessness

• Pacing

• Irritability

• Anxiety

• Repetitive questioning

• Difficulty sleeping

• Increased emotional distress

  
  

The symptoms often improve after rest or overnight sleep.

Why Does Sundowning Happen?

Researchers do not fully understand every factor involved, but several contributors are believed to play a role.

Fatigue Builds Throughout the Day

Just as anyone can become less patient and more irritable when tired, people living with dementia may find it harder to cope as the day progresses.

After spending an entire day processing information and navigating daily activities, mental fatigue can become overwhelming.

Changes in Light and Environment

As daylight fades and shadows increase, familiar surroundings may become more difficult to interpret.

Reduced lighting can sometimes create confusion or even contribute to misperceptions of the environment.

Disrupted Internal Clocks

Dementia can affect the brain's ability to regulate sleep and wake cycles. This disruption may make it harder for individuals to recognize when it is time to rest.

Unmet Needs

Hunger, thirst, discomfort, pain, loneliness, or overstimulation can all contribute to increased behavioral symptoms later in the day.

Common Triggers Caregivers Should Watch For

Every person is different, but some common triggers include:

• Fatigue

• Missed meals

• Dehydration

• Changes in routine

• Overstimulating environments

• Long periods of inactivity

• Poor sleep the night before

• Physical discomfort

  
  

Identifying patterns can help caregivers recognize which situations may be contributing to symptoms.

Strategies to Reduce Sundowning

While sundowning cannot always be eliminated, many families find that certain approaches can reduce its severity.

Maintain a Predictable Routine

Consistency often helps reduce anxiety. Keeping meal times, activities, and bedtime routines similar each day can create a sense of stability.

Encourage Daytime Activity

Regular exercise, social engagement, and meaningful activities throughout the day may help improve sleep and reduce evening restlessness.

Prioritize Hydration and Nutrition

Fatigue and confusion can worsen when individuals are dehydrated or have not eaten regularly.

Improve Lighting

Keeping indoor spaces well-lit as daylight fades may help reduce confusion caused by shadows or changing light conditions.

Stay Calm and Reassuring

If a loved one becomes agitated, arguing or correcting them often increases distress. Calm communication and reassurance are usually more effective.

When Should Families Seek Additional Help?

Sundowning can place significant stress on caregivers. If symptoms become severe, lead to safety concerns, interfere with sleep, or become increasingly difficult to manage, it may be helpful to discuss concerns with a healthcare provider.

Professional guidance can help identify potential medical contributors and develop individualized strategies for managing symptoms.

Remember: It's the Disease, Not the Person

One of the most important things caregivers can remember is that sundowning is a symptom of dementia—not a choice.

Behavior changes often reflect confusion, fear, fatigue, or difficulty processing the environment. Responding with patience, reassurance, and understanding can help reduce stress for both the individual living with dementia and the caregiver.

With knowledge, preparation, and support, families can develop strategies that make evenings more manageable and less overwhelming.

Let Healthspan Partners Help

If you or someone you love is living with dementia, support is available. The Medicare GUIDE Program provides personalized dementia care management, caregiver education, care coordination, and community resource navigation designed to help families navigate the dementia journey with confidence.

• Personalized Care Plans

• Caregiver Education and Support

• Care Coordination

• Community Resource Navigation

• Eligible Respite Services

  
  

Ready to see if you or your loved one may qualify?

Check Eligibility: Healthspan Partners GUIDE Program Eligibility Check

Questions? Call Healthspan Partners at (813) 859-5819.