Sundowning in Dementia: Why Evenings Get Harder and What Helps

The day goes reasonably well. Then, somewhere between four and seven in the evening, your mother becomes restless, starts pacing, and asks again and again to "go home", even though she is sitting in the house she has lived in for forty years.

This pattern has a name: sundowning. It is common in people living with dementia, it is exhausting for families, and it is not your fault. It also responds, often quite well, to changes in light, routine and the way the evening is run.

This guide explains what sundowning is, why it happens, how to calm a difficult evening, how to prevent the next one, how to tell it apart from a medical emergency, and how memory care homes manage it.

Key takeaways

• Sundowning is late-day confusion and agitation that often begins in the late afternoon and can run into the night.
• The exact cause is not fully understood. Changes to the body clock, tiredness, unmet needs and a noisy evening household all seem to play a part.
• "I want to go home" is usually about feeling safe, not about an address. Respond to the feeling, not the words.
• Prevention happens during the day: morning light, activity, short naps and less tea or coffee after lunch.
• The evening itself should be quiet, bright and predictable. Switch lights on before dusk.
• A sudden change is not sundowning. New confusion over hours or days can be delirium and needs a doctor the same day.
• Never give unprescribed sedatives. Some medicines make evening confusion worse.

Quick answer: what to do when sundowning starts

This guide is general information for families, not medical advice. Speak to your parent's doctor about any new or worsening behaviour.

What sundowning is

Sundowning describes a change in behaviour that appears or worsens in the late afternoon and evening. The US National Institute on Aging describes it as restlessness, agitation, irritability and confusion that can begin or worsen as daylight fades. Its guide to coping with agitation, aggression and sundowning is a good reference for families.

It can happen at any stage of dementia, but it is more common in the middle and later stages. Our guide to the stages of dementia explains where these fall.

What it can look like:

• Pacing, wandering or trying to leave the house
• Asking repeatedly to "go home" or to see a parent who died long ago
• Shouting, crying, or becoming suspicious of family members
• Not recognising the house, or a son or daughter
• Seeing things that are not there, especially in shadows
• Difficulty settling to sleep, or waking confused at night

Not everyone shows all of these. Many families notice one or two that repeat at roughly the same time every day.

Why it happens

Researchers do not fully understand sundowning, but several factors seem to contribute, and most of them can be influenced at home.

The body clock. Dementia affects the parts of the brain that regulate the sleep and wake cycle. Fading light can confuse a body clock that is already struggling.

Tiredness. By evening, the effort of getting through the day catches up. A tired brain copes less well with noise and change.

Unmet needs. Hunger, thirst, a full bladder, constipation and pain often show up as agitation, because the person cannot explain what is wrong.

Shadows and low light. Dim rooms create shadows and reflections that can be misread as people or objects.

A busy household. In many Indian homes, evening is the loudest time of day: family members return from work and school, the pressure cooker whistles, the TV is on, the doorbell rings and traffic builds outside. That is a lot to process for someone living with dementia.

Other factors. Depression, anxiety, poor sleep, hearing or sight loss, and some medicines can all contribute. The Alzheimer's Association notes that problems such as urinary tract infections and sleep apnoea can cause or worsen sleep difficulties.

"I want to go home": what it usually means

This is often the hardest part for families, so it deserves its own section. Your parent may say it in the house they have lived in for decades.

In many cases, "home" is less a building than a feeling: a time when they felt secure, capable and surrounded by people they knew. It may be a childhood home, or a time when their own parents were alive. Correcting them ("This is your home") rarely helps, because it does not touch the feeling underneath.

What tends to work better:

• Acknowledge the feeling: "You want to go home. Tell me about it."
• Ask about the place they mean, the people, the food, the festivals.
• Offer comfort that fits: a cup of tea, a familiar shawl, an old photo album.
• If they need to move, take a short walk together, perhaps around the building, then come back in through the front door.
• Keep reassurance simple: "You are safe here. I am staying with you."

Avoid promising something you cannot deliver, such as "We will go tomorrow", if it leads to more distress later. Gentle redirection usually serves better than either correcting or promising.

How to calm a difficult evening

When sundowning is already under way, the goal is to reduce stimulation and offer reassurance. This is where the quick answer table above comes into play.

• Check the basics first. Toilet, a drink, a snack, pain, temperature. Fixing one of these is sometimes all it takes.
• Make the room quieter. Turn off the TV, especially news or serials with raised voices. Ask visitors to keep it short.
• Use your voice and body gently. Speak slowly and softly, sit at eye level, and avoid standing over them.
• Do not argue, reason or correct. Logic does not reach the distress.
• Offer a simple, familiar task. Folding clothes, sorting vegetables, stringing flowers, or listening to bhajans or old film songs.
• Give space if it is safe. If they are pacing but not in danger, let them walk while you stay close.
• Step away briefly if you are losing patience, as long as your parent is safe. Your calm matters more than any technique.

The Alzheimer's Association guide to sundowning and sleep issues has more ideas along these lines.

How to prevent the next one

Calming an evening helps tonight. Preventing sundowning depends on how the whole day is run, starting with the morning.

During the day:

• Get morning daylight. Open curtains early and sit on the balcony or verandah, or take a morning walk.
• Plan the main activities for the morning, when most people living with dementia are at their sharpest.
• Keep naps short and before mid-afternoon.
• Cut tea and coffee after lunch. Offer buttermilk, water or tender coconut water instead.
• Keep them active. Walking, chair exercises, gardening and household tasks all help sleep.

In the evening:

• Switch lights on before dusk, not after it is dark, and close curtains to cut reflections.
• Serve dinner early and keep it light.
• Keep the evening routine identical: the same prayer, the same music, the same order.
• Move noisy activity away from your parent, such as homework, cooking noise or loud TV.
• Use a night light between the bed and the toilet.

A care diary for two weeks helps a great deal. Note the time the behaviour starts, what happened just before, and what helped. Patterns appear quickly, and the doctor will find the diary useful too. For the wider daily routine, see our guide on how to care for a dementia patient at home.

Sundowning or something more serious?

Sundowning follows a pattern: it tends to appear at a similar time and has usually built up gradually. A sudden change is different.

See a doctor the same day if your parent shows:

• Confusion that is suddenly much worse over hours or a day or two, which may be delirium
• Fever, burning while passing urine, a new cough or breathlessness
• Drowsiness that is hard to rouse from, or confusion that also persists in the morning
• A recent fall, especially with a head injury
• Not eating or drinking
• Agitation that puts anyone at risk

Call for emergency help if you see facial drooping, slurred speech, weakness on one side, a seizure, or loss of consciousness.

Delirium is common in older people living with dementia, and it is often caused by infection, dehydration, constipation, pain or a new medicine. It usually improves when the cause is treated, which is why it should never be written off as "just sundowning".

A word about medicines

Families often ask for "something to help her sleep". Be careful. Some sleeping tablets and sedatives can increase confusion, falls and next-day drowsiness in older people. Medicines for agitation also carry real risks for people living with dementia, and doctors generally use them only when other approaches have not worked, with close monitoring.

Never give a sedative or sleeping tablet that was not prescribed for your parent. Do ask the doctor to review everything your parent currently takes, because a medicine side effect is sometimes part of the problem.

How memory care homes handle sundowning

If evenings at home have become unmanageable, it helps to know how memory care settings approach them. Good memory care homes plan for sundowning rather than react to it:

• Staff in shifts, so evening carers are fresh rather than at the end of a long day
• A structured late afternoon, with music, simple group activity or a walk at the time agitation usually begins
• Bright, even lighting and fewer shadows and mirrors
• Secure, circular walking routes, so restless residents can walk safely without meeting a locked door
• Staff trained in de-escalation and non-drug approaches

Ask any home you visit how they handle evenings, and visit once between five and seven, not only in the morning. Our guide to assisted living for dementia patients explains what a secure memory care unit should have.

Elkin lists verified memory care and senior living options and can arrange guided visits, including evening visits, for families in India and abroad. Call or WhatsApp +91 95005 10506.

The bottom line

Sundowning is common, it is not anyone's fault, and it can often be eased. The biggest gains come from the day as a whole: morning light, morning activity, short naps, less caffeine after lunch, and an evening that is quiet, bright and the same every day.

Treat every sudden change as a medical question first. And if evenings at home have become unsafe or are wearing the family down, a memory care setting with fresh evening staff and a planned late-afternoon routine may give your parent calmer evenings than any family can manage alone.

Frequently asked questions

What is sundowning in dementia?

Sundowning is increased confusion, restlessness, agitation or anxiety in a person living with dementia that begins or worsens in the late afternoon and evening. It can continue into the night and disturb sleep. It is more common in the middle and later stages of dementia.

What causes sundowning?

The exact cause is not fully understood. Changes to the body clock, tiredness at the end of the day, hunger, pain, a full bladder, low light and shadows, and a noisy evening household all seem to contribute. Depression, poor sleep and some medicines can also play a part.

Why does my mother with Alzheimer's keep saying she wants to go home?

"Home" often means a feeling of safety, or a time and place from earlier in life, rather than a specific house. Correcting her rarely helps. Acknowledge the feeling, ask her about the home she means, offer comfort such as tea or a familiar object, and reassure her that she is safe.

How do you stop sundowning?

You may not stop it entirely, but you can often reduce it. Get daylight and activity in the morning, keep naps short, cut tea and coffee after lunch, switch lights on before dusk, keep evenings quiet, and follow the same evening routine every day.

What time does sundowning start?

It typically starts in the late afternoon or early evening, often around the time daylight fades, and can continue into the night. The timing varies between people, so a two-week diary of when it starts and what triggers it is the best guide for your own parent.

Is sundowning a sign that dementia is getting worse?

Not necessarily. It can occur at any stage, though it is more common in the middle and later stages. A sudden change in behaviour, however, is often a medical problem such as delirium from an infection, and needs a doctor the same day.

What should you not do during sundowning?

Do not argue, correct or try to reason, do not raise your voice, and do not restrain your parent. Avoid loud TV, crowds of visitors and busy rooms in the evening. Never give a sleeping tablet or sedative that was not prescribed for them.

My father with dementia refuses help in the evening. What can I do?

Step back and try again later in a calmer moment, check whether he is in pain, hungry or needs the toilet, and offer simple choices rather than instructions. A familiar face, a quiet room and a well-known task often work better than persuasion.

Evenings becoming unmanageable? Compare verified memory care and senior living options across India, or call Elkin on +91 95005 10506 to arrange a visit.