If you often have winter in your place, try to choose those that can give warmth like flannel sheets and down comforters. If you live in a place where the sun always rises and gives heat, then you may need to use satin and silk which are cooler on skin.
Girls are more fashion conscious about the things that they are buying for themselves. That is why there will be numerous options for each and every material that is being manufactured for them. There is no difference in the case of bedding as well.