Sundowning

Sundowning is the term for the late-afternoon and evening behavioral changes seen in many people with Alzheimer's disease, vascular dementia, Lewy body dementia, and other dementias. The hallmark signs are increased confusion, agitation, pacing, anxiety, suspicion, irritability, difficulty settling down, and sometimes shadowing the caregiver from room to room. It usually starts mid-to-late afternoon and can extend several hours into the evening before the person finally settles for sleep.

The causes are multi-factor and not fully understood. Working theories include fatigue from a long day of cognitive effort, hunger or low blood sugar at the end of the afternoon, low natural light disrupting the circadian rhythm, the sensory overload of the day catching up, the absence of family members who have left for the day, and changes in the brain's ability to regulate sleep-wake cycles as dementia progresses. What is clear is that the pattern is real, predictable, and often the single hardest part of the day for both the person with dementia and the family caregiver.

Predictable routines, dim-but-warm lighting in the late afternoon (avoiding harsh overhead light and shadows), a substantial late-afternoon snack with protein, a calm caregiver presence with a gentle voice, music the person knows from earlier life, and limiting visitors during the sundowning window are the most reliable interventions. Naps earlier in the day can help; naps after 3 p.m. usually make sundowning worse.

In Southeast Michigan, families dealing with sundowning often add an evening shift to bridge the hardest hours — typically 3 p.m. to 7 p.m. or 4 p.m. to 8 p.m. — at the specialized care tier ($35–$42/hr through an agency) when a dementia-trained caregiver is needed, or personal care ($29–$37/hr) for milder presentations. Live-in or 24-hour shift care often becomes the right model when sundowning is severe enough to make safe overnight rest impossible without supervision.

Specialized caregivers trained in dementia care recognize sundowning early — the first signs of restlessness, the question being repeated more often, the eyes scanning the room — and shift the environment before behaviors escalate. They lower the lighting, turn off the TV, offer the snack, start the familiar music, and use validation rather than correction. This is one of the most valuable skills an experienced dementia caregiver brings, and it is the kind of skill that distinguishes a trained specialized caregiver from a generalist.

The honest limit: sundowning cannot always be prevented and sometimes cannot be reliably contained at home. When evening agitation includes physical aggression, frequent attempts to leave the house, or persistent sleep deprivation that compromises the family caregiver's health, the family is approaching the edge of what home care can manage and should talk with the physician and our oversight team about whether memory-care facility placement may be the safer setting.