Twin Bed Trundle Storage Drawers.
If you do not need it anymore, you can push it back under the bed and forget about even being there. If nobody sleeps, you can slip it under the bed and do not have to put extra mattresses or have to clean the blanket in the living room. Some of the best options are available on the web.

Extra Long Twin Bed Trundle

Twin Bed Trundle And Drawers

Twin Bed Trundle Bed

Twin Bed Trundle Bedroom Set

Twin Bed Trundle Drawers

Twin Bed Trundle Plans

Twin Bed Trundle Set

Twin Bed Trundle White