What Is Sundowning in Elderly? — And Why It Matters for Safety

Sundowning — sometimes called sundown syndrome — describes a predictable pattern where an older adult becomes noticeably more confused, anxious, or agitated as the day progresses. Symptoms typically begin in the late afternoon and can continue into the night. The name comes from the observation that these changes coincide with sunset.

Researchers are not entirely certain what causes sundowning, but several factors appear to contribute. Disruption of the body's internal clock, or circadian rhythm, plays a significant role. Fatigue accumulated over the day lowers cognitive reserves. Changes in lighting can increase disorientation. Hormonal shifts that occur naturally in the evening may also be involved.

For families with a parent who has early dementia and lives alone, sundowning adds a layer of concern that is difficult to manage from a distance. The late-afternoon hours — when a senior may become confused, wander, or make unsafe decisions — are often the hours when family members are least likely to be present or checking in.

Sundowning can look different from person to person, but common symptoms include:

• Increased confusion: Difficulty following conversations, forgetting where they are, or not recognizing familiar surroundings
• Agitation and restlessness: Pacing, fidgeting, or becoming unusually irritable without clear cause
• Anxiety and fear: A sudden sense of unease, asking to "go home" even when they are at home, or expressing fear about being alone
• Shadowing: Following a caregiver or family member closely, unwilling to be left alone
• Sleep disruption: Difficulty falling asleep, waking frequently, or reversing the sleep-wake cycle entirely
• Wandering: Leaving the home or moving to unfamiliar parts of the house, particularly dangerous for seniors living alone

These symptoms may appear gradually or emerge suddenly. They tend to worsen as dementia progresses, but they can also be triggered by changes in routine, new medications, infections, or inadequate lighting in the home.

According to living alone risk statistics for seniors, cognitive changes like sundowning significantly increase the safety risks associated with independent living. Families often first become aware of sundowning when a parent does something uncharacteristic during the evening hours — calling repeatedly, expressing confusion about the time, or being found outside the home.

Sundowning creates safety risks that are manageable when someone else is present but become serious when a senior lives alone. The primary concerns include:

Wandering: A confused senior may leave the house in the evening, sometimes in inappropriate clothing or without a clear destination. In cooler months, hypothermia becomes a real risk. In any season, a disoriented person walking near traffic faces danger.

Kitchen and fire hazards: A senior who becomes confused in the evening may attempt to cook and forget about a burner left on. Fire departments report that cooking-related fires among elderly adults peak during evening hours.

Falls: Agitation and restlessness increase movement at a time when lighting is often poor. Combined with fatigue and confusion, the fall risk during sundowning episodes is significantly higher than during morning hours.

Medication errors: Evening medications may be taken twice, skipped, or confused with other pills. For seniors managing conditions like diabetes or heart disease, a medication error during a confused episode can have serious consequences.

For families with a parent who shows anxiety symptoms alongside cognitive changes, sundowning can amplify existing fears and create a cycle of distress that is difficult to break without regular human contact and reassurance.

Since sundowning affects the evening hours, you might wonder how a morning check-in helps. The answer lies in what a morning check-in reveals about the night before.

When your parent checks in each morning, that confirmation tells you they made it safely through the previous evening and night — the highest-risk period for sundowning. A missed morning check-in may indicate that a sundowning episode led to a fall, a wandering incident, or a night of confusion that left them disoriented or unable to respond.

The I'm Alive app provides this morning safety confirmation with a single tap. If the tap does not come, your emergency contacts are notified immediately. For a parent experiencing sundowning, this means every difficult evening is followed by a clear signal the next morning that either confirms safety or triggers a welfare check.

Additional strategies that help manage sundowning include:

• Consistent daily routines: Predictability reduces confusion. A morning check-in becomes part of that stabilizing routine.
• Adequate lighting: Keeping the home well-lit as darkness approaches reduces disorientation.
• Limiting caffeine and sugar after noon: Both can worsen agitation during evening hours.
• Calming evening activities: Soft music, familiar television shows, or simple tasks like folding laundry can reduce restlessness.
• Nightlights throughout the home: Reducing contrast between lit and dark areas minimizes confusion during nighttime waking.

Sundowning that happens occasionally may be manageable with environmental adjustments and a daily check-in. But when episodes become frequent or severe, it may signal that a senior needs more support than independent living provides.

Signs that sundowning is escalating include: leaving the home at night more than once, calling emergency services in confusion, being unable to complete evening self-care tasks, or becoming aggressive during episodes. These patterns suggest that a daily check-in alone may not be sufficient.

Families facing this situation should consult with their parent's physician about medication adjustments, consider in-home care during evening hours, and evaluate whether the current living situation remains safe. The I'm Alive app continues to play an important role during this transition — even with additional support in place, the daily check-in provides a reliable safety signal that the entire family can count on.

Understanding sundowning is not about creating fear. It is about recognizing a common pattern and putting simple safeguards in place. A morning check-in, a well-lit home, and a consistent routine can make a meaningful difference in keeping a parent with sundowning symptoms safe.