CourseLesson 116 of 165
    Sundowning Sid — NCLEX story mnemonic character for Alzheimer's Disease: Sundowning, Safety and Calm Redirection
    Mental Health

    Sundowning Sid

    Alzheimer's Disease: Sundowning, Safety and Calm Redirection

    Written lecture — video coming

    The memory hook

    Every evening the sun goes down and Sid goes looking for a job he retired from twenty years ago

    The story

    Sid was pleasant all morning. At 6 p.m. he is at the nurses' station demanding his car keys, and his daughter is crying in the hallway.

    Sid worked forty years as a factory floor supervisor, a man so devoted to his job that coworkers nicknamed him Sundowning Sid decades before his illness, teasing that he never wanted to clock out even as the evening whistle blew. That old joke becomes achingly literal in his eighties, after Alzheimer's disease has spent years quietly destroying his cortical neurons through amyloid plaques and tau tangles, eroding his most recent memories while leaving distant ones eerily intact. As daylight fades each evening, reduced sensory input, mounting fatigue and a disrupted circadian rhythm combine to worsen his confusion dramatically, a well-recognized phenomenon called sundowning. Sid is not behaving stubbornly or difficultly when this happens; his damaged brain simply loses its remaining ability to organize a darkening, unfamiliar environment, and agitation and wandering predictably follow.

    Sid lives with his daughter, who describes him as calm and cooperative through most mornings and afternoons, content to sit with the newspaper or help fold laundry. But every evening around five o'clock, almost like clockwork, he becomes convinced he is late for his old factory shift and must clock in before he loses his job. Tonight, that pattern intensifies: he pulls on his coat, insists he must leave immediately, and grows increasingly distressed when his daughter gently tries to explain that he retired twenty years ago. His baseline dementia has been slowly progressive for years, but this particular sharp escalation in agitation, arriving reliably each evening, is the textbook sundowning pattern rather than a sudden new medical event.

    By seven o'clock, Sid's agitation has become genuinely dangerous. He tries the front door repeatedly, rattling the locked handle and raising his voice when it will not open, and at one point shoves furniture aside trying to reach his coat closet. His daughter calls the visiting nurse in a panic, reporting that Sid has become physically resistant to redirection, pushing her hand away and calling her by his late wife's name. His heart rate is elevated at 104 beats per minute from the distress, though he shows no fever, no new cough, and no change in his urine, ruling out an acute infectious trigger. This nightly pattern, worsening reliably after dusk without any new physiologic insult, distinguishes his agitation clearly as sundowning rather than superimposed delirium.

    The visiting nurse coaches Sid's daughter through a calm, non-confrontational approach rather than logical argument. She teaches her to validate his feelings about needing to work rather than correcting him, saying gently that his shift has already ended for the day rather than insisting his job no longer exists. She recommends turning on bright lights well before dusk actually falls, closing curtains to reduce disorienting shadows, and playing familiar quiet music to soothe him during the vulnerable transition hours. She reviews his medication list and confirms no new anticholinergic or sedating drug has been added recently, since those would worsen confusion rather than cause it. She also stresses securing exterior doors with childproof covers and ensuring Sid wears an identification bracelet, since wandering remains his single greatest safety risk each evening.

    The setup

    Sid misplaces his keys, repeats questions and forgets what he ate — but covers it well in conversation.

    The turn

    Every evening Sid becomes restless and suspicious, pacing the hallway and insisting he must get to work.

    The crisis

    Sid is found pushing the stairwell door. A nurse argues with him about the date and he becomes more agitated.

    The save

    The team keeps his routine identical, brightens the room before dusk, offers a snack and a familiar task, and walks with him until the urge passes.

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