A cord across the night route is a trip that waits for the walk you did not check. The fix is not a better lamp. It is a person whose job is to walk the six stops, look at every cord that crosses them, and move it before the next night.
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Walk the route, bed to toilet and back
Start at the bed with the lights off and walk the way she would. Use the lamp on the nightstand, then walk the hall, the bathroom door, the bathroom floor, and the toilet area. Walk it again going back. Look at the floor the whole way, not only at the spots you are watching for. Cords hide where the eye expects a clear floor, usually at the edge of a rug or along a baseboard.
What to look for at each stop
At the bedside, look for the lamp cord, the phone charger, and any fan cord. At the hall, look for extension cords and any power strip that runs along the floor. At the bathroom, look for the cord of a hair dryer or other heated item, and any plug left in an outlet. Any cord that crosses a stop is a candidate for moving. Cords that run under a rug are a hazard of their own, because the rug can slide over them.
Move the cords off the route
Move the lamp so its cord runs straight down the wall behind the nightstand, out of the walking space. Move the charger to a wall outlet that is not on the route. A cord cover can help a cord lie flat, but a flat cover is also a step edge, so check it with the same walk. If the route needs a long extension cord to reach something, that is a sign the outlet is in the wrong place, and a licensed electrician is the one to ask about the outlet. For the general electrical safety points behind these steps, see the sources page.
Name the owner
Pick one person to walk the route each week, and write their name where the family keeps the night plan. That person looks at the cords and the plugs, checks whether any plug feels warm or shows discoloration, and moves anything that crosses a stop. If a plug feels warm or looks scorched, stop using that item and have an electrician look at the outlet. The owner does not need to be the person who sleeps nearest her. They need to be the person who walks the route on a schedule.
Write this down
Sketch the six stops with each cord marked and where it now runs. Write the owner's name, the day of the week the walk happens, and the items you removed or moved. Keep the list near the bed or the phone, so the next person who checks knows what was fixed and what is still open.