If you have your own bed linen you can be sure of its hygiene and cleanliness and ensure that you can sleep comfortably in any low priced hotel or hostel, or even out in the open with the stars.
A sleeping sack for travelers is essentially two bed sheet size pieces of cloth or other material sewn together on three sides to form a bag. You can even add lining and some put some material between the lining and outer sheets to make your sleeping bag more comfortable.
Make sure that the outer sheets are made of strong material that can take the abuse it will take on a floor on bare ground. Make it as colorful as you like. You can also add a pillow pouch at the top where you can put in an inflatable pillow.
Your sleeping bag is now ready for use. Slip in your pillow, work your way into the bag and have a good night’s sleep.