No, But the extra space for me is. Also if you want your bed the short way, about 6 feet, you will need to raise above the fender wells.<br><br>I suggest that you sleep on the floor (with a mattress) for a few nights and decide. Having a piece of plywood or an exercise mat will help.<br><br>Mine has 16 inches clearance under. Enough for 7 gal water containers and big foot lockers. I have about 24 inches headroom. I can see level with the back windows when in bed. <br><br>For the people who do not want this much room, it is lower and they usually have a thicker mattress. <br><br>I can change mine from single to double easilly, buy cutting another piece of plywood and adding 2 more supports I can have a queen. (or just get a queen the length of a full.<br><br>You can put a twin against one side and have some walking room the long way and have a tiny kitchen on the side. <br><br>Always support for heavy breaking.<br><br>Best, your choice.<br><br>James AKA Lynx