Before anyone picks a bed, find the room it has to live in. A bed that looks right in a showroom can block the door, sit on the outlet, or leave no clear path to her chair. Measure the room first, choose a bed the room can actually hold, and then check the space the bed needs once it arrives.

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Three clearances

Measure the space the bed needs on three sides: the side she gets in and out from, the side a helper will stand on, and the foot of the bed where she will turn. Mark each clearance on the floor with painter's tape before you buy. A bed that fills the room without room on at least one working side becomes a bed with nothing beside it.

Measure the path in

Measure the door opening's width and height and the turn at the hallway. Check the stairs, the corners, and the window if the bed must come through it. Many beds arrive in pieces, but some do not, and the delivery route is the first real test of fit. Ask the seller what they need from you for the route and whether their crew will carry the bed up the stairs.

Outlets, cords, and floor

If the bed is electric, find the outlet and check the cord reach before the bed is placed. Look for a plug that will not be trapped under the frame and a cord that does not cross the path to the door. Check the floor surface and any threshold the wheels must roll over. A carpet edge or a raised strip can make a good bed hard to move.

How the bed sits against her chair

Put a chair at the bedside where she usually sits and measure the difference in height between the chair seat and the bed surface. Sit in the chair with the tape on the floor and ask whether a stand, a turn, or a sit is easy from there. This is about how the room works for her daily routine, and no catalog can measure that for you.

Ask the seller before you buy

Ask for the exact footprint and height, the clearance the maker assumes, and whether the bed comes with rails or accessories that change the space. Ask what the warranty covers if the bed does not fit the room after delivery. Get the answers in writing. If the bed does not fit the room on paper, it will not fit the room in the house either.