Built‑in desks are often modular or adjustable: many let you install the desk and shelving on either the left or right side, and some (including certain Murphy styles) can be positioned straight or in an L‑shape to fit the room configuration.
Weight capacity varies by model. Examples from listings include about 600 lb for some full‑size daybeds, around 500 lb for certain Murphy designs, and roughly 400 lb for some twin beds (trundles in those listings are also rated about 400 lb). Always check the specific product’s manufacturer specifications for the exact capacity.
Most of these daybeds require adult assembly. Several listings note that all necessary tools are included and come with a clear instruction manual to simplify setup.
Some units list the mattress as not included and recommend mattress thicknesses commonly in the 6–8 inch range. Certain Murphy models include a built‑in foldable cushion so an extra mattress or box spring isn’t required.
Many Murphy designs are engineered so the desk remains accessible or usable while the bed is opened or folded away. Some models let the unit transform between dresser/desk and sleeping modes without fully blocking the workspace; exact functionality depends on the model, so check the product details for how the desk behaves during conversion.