DIY tent trailer -this is a truck bed tent on a trailer. If you click through to the link he explains how he did it so that all he has to do is lay the bows down flat without having to disassemble the tent
Lees-ure Lite is a ultra light tent trailer designed to be pulled by a large motercycle or small car. The Excel model fits a full sized bed in width but with king/queen length. A custom mattress is one of the options.