Yes the sofa bed can be so elegant. A wooden harness a high support and a crescent-shaped armrest make the Luna sleeping sofa light and elegant unlike the others. The model is made in the spirit of the current 60s.
The size of the sofa is 2450x1500x950
https://furman.by/ru/katalog/sofabeds/luna-corner 
https://vipdivani.ru/katalog/product/uglovoj_tkanevyj_divan_luna_modern