Most of the people in the world struggle to sleep because of rough and rigid sheets. prefer fitted sheets or flat sheets only, both are used for the same purpose - protecting the mattress and creating a soft surface for comfortable sleep but flat sheets only are easy to wash and dry even if you wash with your hand. and The flat sheet, also known as the top sheet, which was originally placed between the sleeping person and his blanket. our three Piece sheet set includes - one flat sheet...