Managing Sundowning in Dementia

What Actually Helps at Home

Sundowning is a common pattern of increased confusion and agitation that shows up in the hours around sunset in people with dementia. It isn’t a sign your mom is getting worse, and it isn’t something you caused. The right response usually has less to do with what you say and more to do with a calm and familiar routine that redirects instead of corrects.

What Is Sundowning, and Why Does It Happen?

Sundowning dementia symptoms build as the day goes on, tied to changes in the brain’s internal clock rather than anything that happened that day. Some people call it sundowner’s syndrome. It’s the same thing.

A few things commonly bring it on:

• Tiredness. A busy or overstimulating day catches up by evening.
• Low light. Long shadows and dim rooms make it harder to interpret what’s around her.
• Can’t say what’s wrong. Hunger or thirst she can’t easily put into words.
• A disrupted internal clock. The part of the brain that separates day from night doesn’t work the way it used to.
• Pain or illness. A sudden change in confusion or behavior is often one of the first signs of a urinary tract infection in an older adult, not necessarily a sign that the dementia itself is getting worse. It’s easy to miss unless someone involved has the clinical background to think of it and check for it.

Sundowning can also occur with vascular dementia or after a stroke, which falls under our stroke care services.

Knowing why it happens helps. What most families actually want to know next is how long it lasts, and if this has become the new normal.

How Long Does a Sundowning Episode Last?

Most sundowning episodes run a few hours and ease as the night goes on, though the exact length shifts from person to person and can change as dementia progresses. There’s no fixed clock on it. Some evenings are shorter than others. Over time, episodes can start earlier or stretch longer, and that shift tends to happen gradually rather than all at once.

But is that really what you’re asking? Usually not. What you actually want to know is whether this is a new stage, and how fast things are likely to change. There’s no single answer to that. But because the shift is usually gradual, what you do in the moment still matters, and it’s worth getting it right.

What Should You Do in the Moment?

The instinct to correct or argue with what your mom believes is happening usually makes things worse. Redirecting works better than correcting.

If she insists something happened that didn’t, or doesn’t recognize a familiar face, arguing rarely helps. It tends to increase distress instead.

Here’s what that looks like in practice. One of our caregivers was rejected by a client who didn’t recognize him and was convinced he was a stranger in her home. Instead of trying to convince her otherwise, he left and came back a few minutes later wearing something different, a red hat, and introduced himself fresh: his name, why he was there, a note from her husband confirming it, and his ID badge. She accepted him instantly. Nothing about the situation had actually changed. What changed was that nobody tried to argue her out of what she believed in that moment.

That kind of response takes practice, especially for family in the middle of a hard moment. Our dementia behavior cheat sheet is built for exactly this kind of moment, a quick reference for what to do and what to avoid. Not only is it important to handle the situation in the moment, but it’s just as important to also reduce how often these moments happen.

What Helps Prevent or Reduce Sundowning?

A predictable routine is the single best option to reduce how often sundowning shows up.

A few things that tend to help:

• Keep a routine. Meals, activities, and bedtime at roughly the same time every day.
• Turn on lights before dusk. Brightening rooms ahead of sunset cuts down on shadows and misread surroundings.
• Limit long naps. Keeping her active during the day supports better sleep at night.
• Stay calm. A quiet and steady voice goes further than a hurried or frustrated one.
• Ask what’s wrong. Hunger and thirst are easy to overlook, and they can often be the actual trigger.

None of this makes sundowning disappear. Dementia is a progressive disease, and even with a good routine that has a calm and familiar response, some days are still going to be harder than others. Does that mean that you’re doing something wrong? No. It means that you’re recognizing that how it’s happening has moved beyond what a good routine can manage.

When Does Sundowning Mean Your Mom Needs More Support?

A few signs mean sundowning has moved past what routine and reassurance alone can manage.

• Falls, especially at night.
• Wandering outside the house and getting lost.
• Paranoia, like believing someone’s looking in the windows.
• Repeated calls to family, or to 911, overnight.

Wandering and falls are also a sign that it’s worth looking into whether your mom’s home is still safe for where she is now.

Would a facility handle this better than staying at home? In practice, falls and wandering usually mean a family needs more hours of care in place, not necessarily a different setting. Facilities often can’t absorb that extra need either. Once falls become frequent, many families who’ve already moved a parent into a facility still end up hiring private caregivers on top of it because the facility can’t provide the one-on-one supervision that’s actually needed. How in-home care compares to a memory care facility breaks this down further.

If you’re the one physically there through these overnight hours, as a spouse or a family caregiver, sundowning is often what wears you down fastest since the disrupted hours are exactly when you’d otherwise be resting. Respite care gives you a real break without leaving your mom with someone she doesn’t know.

When it reaches this point, the biggest difference isn’t more effort. It’s whether the person helping already knows your mom’s patterns.

Why Does a Familiar Caregiver Handle Sundowning Better?

Someone who already knows your mom’s patterns can recognize a sundowning episode starting and respond before it escalates. A caregiver meeting her for the first time can’t.

In a confused and frightened moment, an unfamiliar face can register as a stranger, or worse, a threat, which tends to make things harder to settle rather than easier. A caregiver who already knows her can step in calmly instead, because familiarity means they’ve seen this pattern before and know what usually helps.

That’s why caregiver consistency matters more with dementia than with almost any other kind of care. Our caregivers work from RN-built care plans, and they track how your mom’s patterns shift over time so the plan adjusts with her instead of staying static. And if a caregiver isn’t the right fit, we rematch at no cost. No stress, no hassle.

This is the kind of familiarity we build into daily dementia care, whether your mom is in Naples or Fort Myers.

Not sure whether what you’re seeing tonight is ordinary sundowning or something that needs more support? Call us at (239) 205-9460, or learn more about what daily dementia care really involves.

Frequently Asked Questions

Is sundowning a sign dementia is getting worse?

Not necessarily on its own. Sundowning can happen at any stage of dementia, and its presence alone doesn’t mean the disease has progressed. A sudden change in how often or how severely it happens is worth mentioning to her doctor, since that kind of shift can sometimes point to something separate, like an infection.

What stage of dementia is sundowning most common in?

It can happen at any stage, but according to the Alzheimer’s Society, it’s most common during the middle and later stages, as the disease progresses.

What causes sundowning?

It’s linked to changes in the brain’s internal clock, along with tiredness, low light, not being able to say what’s wrong, and sometimes pain or illness. It isn’t caused by anything a family member did or said.

Can medications play a role in sundowning?

Medications and their timing can sometimes affect sundowning, which is worth asking her doctor about directly rather than adjusting on your own. Our caregivers work from RN-built care plans and watch for changes day to day, and our RN team stays in touch with her doctors when something needs attention.

Is sundowning the same as delirium?

No. Sundowning is a recurring pattern tied to time of day. Delirium tends to come on suddenly and can be a sign of a medical issue, like a urinary tract infection, that needs attention. If confusion appears suddenly rather than following the usual evening pattern, that’s worth a call to her doctor.

Does sundowning happen without dementia?

It can. Sundowning-like confusion sometimes shows up in older adults after surgery or during a hospital stay, not just with dementia. For families managing a mom with dementia, though, the day-to-day pattern and the response are largely the same.