A route that works for a steady sleeper does not automatically work for your mother at 3am. The walk from bed to toilet has to match her height, her pace, the way she rises from the mattress, and how long she needs to stand still before she moves. Start from her, then measure the house around her.

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Time the walk at her pace

On a night when she is awake and rested, time the walk the way she actually does it, not the way you think she should. Start when she begins to sit up and stop when she is seated on the toilet. Note every pause: the moment she sits on the bed edge, the point where she reaches for something, and where she stands still. Do it once in the dark with the lights as she normally has them, and once with the route lit as you plan it. The difference shows you what needs to change.

Mark each stop to her size

Measure the bed edge height when she sits with her feet flat on the floor. Note the height of the nearest thing she would grab, and whether it sits within her reach from the bed edge. Check the width of the path she walks with her slippers on, and count the steps from bed to bathroom door. Mark each stop on the floor plan with the number you measured, not a number from a label or a catalog.

Fit the household around her route

Decide who is in the house at night and whether anyone else passes through this path. If another adult sleeps down the hall, plan the light and the noise to suit them too. If a hired night caregiver covers any nights, have them walk the route with her before a night they are alone with it, so they know where each stop is.

If you are new to this desk, the reading path puts the route pieces in order.

What to write down

Write the timed walk in seconds per stop, the bed edge height, the reach height, the path width, the number of steps, and the one stop where she paused longest. Keep the sheet with the route, and walk it again whenever her footwear, her pace, or the bed changes.