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What is sundowning?

Sundowning is a symptom that can show up in people who have Alzheimer’s disease or other dementias. When someone becomes confused, anxious, aggressive, agitated, or restless consistently later in the day (usually late afternoon or early evening), this is called sundowning.

It is thought that sundowning can be a problem for as many as 66% of people with Alzheimer’s disease or other dementias. It can occur at any stage of the disease but it tends to peak in the middle stages of dementia and lessens as the disease progresses.

Sundowning often affects the person’s quality of life and it can be exhausting for the caregiver.

Behaviours associated with sundowning

What causes sundowning?

Responding to sundowning