What are the dimensions of the Shasta Square Arm Sleeper Sofa (84")?

The Shasta Square Arm Sleeper Sofa (84") measures 83.5" w x 36.5" d x 35" h when upright and 83.5" w x 89" l x 21" h when open. Overall (upright): 83.5" w x 36.5" d x 35" h Overall (open): 83.5" w x 89" l x 21" h Seat Height: 21" Use the open length to plan clearance for bedding and easy movement.

What size mattress is included with the Shasta Square Arm Sleeper Sofa (84")?

It includes a queen-size innerspring mattress for the sleeper. Queen Mattress: 60" w x 72" l x 5.5" t Fits queen-size sheets (sold separately) Standard queen sheets make setup simple.