Sleeping Mats Is It Essential To Have A Sleeping Mat When Going Camping?

Is it essential to have a sleeping mat when going camping? - sleeping mats

My school and I go camping for a day. The way to tell us what we need to do to say that a mat. I have a sleeping bag, but it is important to have the carpet? At school, she was told that if I, my back does not hurt, but do not think that is my back without hurting them. The weather will be sunny, so I will not be able to get on with taking?