They do it on purpose.
If you want the spittoon in a certain spot, where it will be handy, they don't, and so they move it.
They always put your other boots into inaccessible places.

They chiefly enjoy depositing them as far under the bed as the wall will permit.

It is because this compels you to get down in an undignified attitude and make wild sweeps for them in the dark with the bootjack, and swear.
They always put the matchbox in some other place.

They hunt up a new place for it every day, and put up a bottle, or other perishable glass thing, where the box stood before.

This is to cause you to break that glass thing, groping in the dark, and get yourself into trouble.
They are for ever and ever moving the furniture.