The night path is the part of the house that works every day and that nobody remembers to check. The lamp by the bed, the light in the hall, and the plug-in sensor near the bathroom each have a bulb, a battery, or a switch, and each one wears out quietly. When a light fails, the first sign is often a fall risk that nobody knew was there.
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Walk the route in the dark once a month
Pick one evening a month and walk her route from bed to bathroom and back with the lights off, the way she would use it at night. Stand where she would stand. Note any light that does not come on, any bulb that flickers, any sensor that needs a new battery, and any switch that is hard to reach from the bed. Write each item on the same sheet so the list builds up over time.
Give the job one owner
A lighting check fails when everyone assumes someone else is doing it. Name the person who walks the route, the person who buys bulbs and batteries, and the person who gets the call when a light goes out. If those are three different people, write all three names on the sheet. Keep spare bulbs of the right type in one fixed place so a replacement does not wait for a store trip in the middle of the night.
Sort the fixes into family jobs and licensed jobs
Replacing a bulb or a battery is a family job. A fixture that sparks, a switch that feels warm, or a circuit that trips again and again belongs to a licensed electrician, and the sheet should say that plainly so no one tries a fix on their own. Motion lights and night lights differ by model, so check the manual for battery type and mounting before you buy another set.
Update the sheet when the route changes
When furniture moves, a cord runs across the floor, or a chair is placed in a new spot, the route changes and the lighting may need to change with it. Add a line to the sheet each time something moves. The goal is not perfect light everywhere. The goal is that the path she takes at night is lit, and that someone has looked at it recently enough to know it is.