Sundowning describes increased confusion, restlessness, anxiety, agitation or disorientation that may appear or worsen from late afternoon into the evening or night. The pattern can be exhausting for both the person with Alzheimer’s and the caregiver.

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A useful first step is to stop treating every difficult evening as random. Track what happens before, during and after the episode so patterns become easier to see.
Need a more organized caregiving framework? The Alzheimer’s Caregiver Compass™ brings routines, communication, safety and planning into one practical system.
Start with a 7-day trigger tracker
For one week, write down the time symptoms begin, what the person was doing beforehand, naps, meals, caffeine, pain or discomfort, visitors, noise, lighting, medications, activity level and what helped the episode settle. Patterns may emerge even when no single cause is obvious.
Keep the day active but not overwhelming
Regular daytime activity and exposure to daylight may help support a clearer day-night rhythm. At the same time, an overly busy day can leave someone exhausted by late afternoon. Aim for meaningful activity earlier in the day and a calmer transition into evening.
Make late afternoon more predictable
Use familiar routines for meals, personal care and bedtime. Reduce unnecessary noise and visual clutter. Turn on lights before rooms become dim enough for shadows to be confusing. If bathing, appointments or errands consistently cause difficulty late in the day, consider scheduling them earlier when practical.
What to do during an episode
Speak slowly and calmly. Avoid arguing about facts that the person cannot process in that moment. Reassure, redirect and reduce stimulation. Check simple needs such as hunger, thirst, toileting, pain, temperature and fatigue.
Sleep and nighttime safety
Sundowning and sleep problems often overlap. Review nighttime safety: clear walkways, use appropriate night lighting, keep exits secure without blocking emergency escape, and make frequently used items easy to find.
When to call the doctor
Contact a health professional for sudden or severe changes, new hallucinations, major sleep disruption, pain, fever, falls, medication concerns or behavior that creates a safety risk. A clinician can help look for medical contributors instead of assuming every change is caused by dementia.
This page is educational and does not replace individualized medical advice.
Sources and further reading: Alzheimer’s Association: Sleep Issues and Sundowning; National Institute on Aging: Managing Sleep Problems in Alzheimer’s Disease.
Turn daily caregiving into a clearer system
If you are trying to keep routines, safety, appointments and behavior notes organized, explore The Alzheimer’s Caregiver Compass™.