Sofa bed (6,5)
I believe the answer is:
studio couch
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sofa bed</span>' is the definition.<br/ ><span class="explanation-format__explanation">(studio couch is a kind of sofa bed)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for studio couch that I've seen before include "sofa bed" , "Seat convertible to bed" , "furniture" .)