She Came Back Before You Noticed: How to Tell She Has Already Been Out

Some of the first signs that she has been leaving the house are small enough to miss. Nothing is gone from the doorway, no chime has sounded, and she is sitting in her chair when you walk in. The trip may still have happened, and the evidence is usually in ordinary places.

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Read the Floor and the Step

At the end of an afternoon, look at the front mat, the back step, and the path to the car. Damp soles on the tile, bits of grass or leaves on the entry rug, or mud on a threshold that she did not track in from the yard can mean she went out and came back. Check where her shoes are. If they are by the door instead of by her chair, she may have been getting ready to go, or she may have gone.

Ask the Neighbors the Plain Question

The people who see your street more often than you do can fill in what the house cannot show you. Tell them what you are asking and why, then ask whether they have seen her walking alone in the last few afternoons. Ask whether a dog has barked at her, whether anyone has walked her back to your door, and whether she has been seen at a corner, a bus stop, or a neighbor's porch. Ask them to tell you straight away if they see her, and give them a number where you can be reached at any hour.

Look at What Moves on Its Own

Some things in the house change when she goes out, even if you were not home. Check the mail, the trash bin, the recycling, and any porch item that was left where she sits. Look at her purse and keys, and see whether her coat is on its hook or has been moved. If you have a doorbell camera or a door sensor, look at the times it recorded. Compare them to the hours when you were gone or asleep, and write down each time a door opened or a chime went off. A pattern at dusk is more useful than a single odd moment.

Check Which Doors She Can Reach

Ask which door was unlocked, which was latched only, and which she can open without a key. The back door, the side door, and the door to the garage are often the ones that slip past a front-door plan. Walk from her usual chair to each one and note how long it takes. This tells you where to look first the next time something feels off.

What to Do With What You Find

Write down the date, the hour, and what you saw, along with anything a neighbor told you. Keep the notes in one place so you can see the pattern over several weeks. Bring them to her doctor, who can judge what they mean for her care. Use the late-day plan you already have, or start one with the steps in Start Here: Dusk to Morning, in Order, and if you need local people to call, the list on Lifelines: Dementia Help in St. Louis is a good place to begin.

Finding signs of a trip you did not see is not a sign that you failed her. It means the house is telling you something you can now act on, and the next hour you plan for her is the one that counts.