Adding a cot to a Class A motorhome.It’s a $50 solution. Coleman ComfortSmart™ Cot Model No.2000009891 with Unfolded Dimensions: 69 in. x 25 in. x 15 in. You need a short cot to fit between the seats. 69″ length works great. Longer cots won’t fit in between the seats when turned opposing each other.