Bed sheets come in different thread counts -- some are 200 threads per square inch, some are 800 (I think some are in the 1000s)....I see NO reason to not use them! I made a quilt for my daughter out of 2 sheets. It went to every campout, every sleepover and probably places I don't want to know about. She's still using it. I made it when she was 4. She's not 37!!!!!!! And I saw it in her house the last time I was there!!!!