I searched  long  for a pop up trundle  to allow couple  to sleep together  rather than on 2 levels   -- and also one that had enough room for a thicker quality mattress  which this one does!  
I had made the mistake of buying a trundle bed and putting it together only  to discover my mattress was too wide :(  
 Th is daybed not only fir those 2 needs but was at  excellent price  and quality. I have it in my office with mattress covers and  it looks classic as a sofa. I am happy with this purchase!