Sundowning behavior refers to a pattern of increased confusion, agitation, anxiety, or restlessness that occurs in the late afternoon, evening, or at night—most commonly seen in people with dementia, especially Alzheimer’s disease.What it looks likePeople experiencing sundowning may: ● Become more confused or disoriented as the day ends ● Feel anxious, irritable, or suspicious ● Pace, wander, or have trouble staying calm ● See or hear things that aren’t there (sometimes) ● Have trouble sleeping or staying asleepWhy it happens (not fully understood)It is thought to be related to several overlapping factors: ● Body clock (circadian rhythm) disruption ● Fatigue after a long day ● Low lighting → more shadows → misinterpretation ● Hunger, dehydration, or discomfort ● Overstimulation earlier in the day ● Brain changes from dementia affecting orientation and perceptionCommon triggers ● Late-day tiredness ● Hospital or unfamiliar environment ● Poor sleep

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Sundowning behavior refers to a pattern of increased confusion, agitation, anxiety, or restlessness that occurs in the late afternoon, evening, or at night—most commonly seen in people with dementia, especially Alzheimer’s disease.
What it looks like
People experiencing sundowning may:
● Become more confused or disoriented as the day ends
● Feel anxious, irritable, or suspicious
● Pace, wander, or have trouble staying calm
● See or hear things that aren’t there (sometimes)
● Have trouble sleeping or staying asleep
Why it happens (not fully understood)
It is thought to be related to several overlapping factors:
● Body clock (circadian rhythm) disruption
● Fatigue after a long day
● Low lighting → more shadows → misinterpretation
● Hunger, dehydration, or discomfort
● Overstimulation earlier in the day
● Brain changes from dementia affecting orientation and perception
Common triggers
● Late-day tiredness
● Hospital or unfamiliar environment
● Poor sleep the night before
● Too much noise or activity in the evening
● Medication effects wearing off
How it is managed
There is no single cure, but symptoms can often be reduced:
Daily routine
● Keep a consistent sleep–wake schedule
● Morning sunlight exposure helps reset the body clock
Environment
● Bright lighting in the evening (reduce shadows)
● Quiet, calm surroundings after sunset
Behavioral strategies
● Avoid caffeine or alcohol later in the day
● Encourage light daytime activity (not long naps)
● Reassure and reorient gently if confusion occurs
Medical review
● Check for pain, infection, or medication side effects
● In some cases, doctors may adjust medications or sleep aids
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