Hello Tsun-Han, we are glad that you have decided to stay with us and we were delighted to have you as a guest. However the additional information on the check in instructions were given in the booking confirmation, this cannot be qualified as a misinformation, sorry you felt that way.
The mattress had some issues with the support, this could have been taken care of if you told us during your stay and of course this is not an issue anymore since we took care of this matter as soon as you left. The apartment is cleaned every time a guest leaves the apartment, we took care as soon as possible during the same day you told us.
We are positive we have given a professional service during your stay.
Hope to have you back with us in your next trip to Barcelona.