My memories of camping in a tent on those little foam ground mats (and even with the thermarest ones later) involved so much twisting and turning. Hard to sleep when every portion of your body is sore.
I won't say I can't sleep on any other mattress but a Temper-Pedic. I just don't want to.
I won't say I can't sleep on any other mattress but a Temper-Pedic. I just don't want to.