Tactical mats are lightweight and portable pads with extensive isolation ability. They are used to protect soldiers from exposure when laying on the gound, such as when sleeping or scouting.
Best sleeping mats are those that can be quickly deployed and folded and offer maximum protection from heat, cold, and moisture. UARM offers models dedicated for both shooting and sleeping.
Yes. Exposure during sleep is very dangerous and there needs to be something isolating you from the ground when not in the bunk. You need some isolation between the ground and your sleeping bag.