Camping air beds and tons more
Conventional sleeping bags that zip up around your chest are one option. There are also mummy style sleeping bags which can zip all the way up and around your head! You can get a sleeping bag that suits your needs as far as temperature range, material and color criteria. Padding or mats for underneath your sleeping bagg are also good to have. You can get anything from a foam egg crate style pad to a blow up mattress, depending on your needs. At night you can be warm and comfortable with the right gear.