That small "daybed" is only found in the dedicated studios. It's not in the lock off studios.
It's more like a bench than a daybed and is quite narrow as well as short - 5 feet at the most. Some report that their small child used it as a bed. Others said their little one said it was too hard. It does have sheets under the cover, but it is definitely too small for an adult or pre-teen to use as a bed.
We used it for a luggage rack, lol.
Also, while you can request a dedicated studio, it is never guaranteed.