 thumb|bedclothes in a retail store bedding, also known as bedclothes, refers to the materials laid above the mattress of a bed for hygiene, warmth, to protect the mattress, and for decorative effect. bedding is the removable and washable portion of a human sleeping environment. multiple sets of bedding for each bed will often be washed in rotation and/or changed seasonally to improve sleep comfort at varying room temperatures. in american english bedding generally does not include the mattress, bed frame, or bed base (such as box-spring), while in british english it does.oxford english dictionary: "a collective term for the articles which compose a bed, esp. the mattress, feather-bed, or other article lain upon, and the bed-clothes." a set of bedding usually consists of (see #terminology for more info on all these terms) a flat or fitted sheet which covers the mattress; a flat top sheet; either a blanket, quilt, or duvet, sometimes with a duvet cover which can replace or be used in addition to the top sheet; and a number of pillows with pillowcases, also referred to as pillow shams. additional blankets, etc. may be added to ensure the necessary insulation in cold sleeping areas. a common practice for children and some adults is to decorate a bed with plush stuffed animals, dolls, and other soft toys. these are not included under the designation of bedding, although they may provide additional warmth to the sleeper. ==bedding materials== lightweight white, solid-color or printed plain weave, satin weave, or flannel cotton or cotton/polyester blends are the most common types of sheeting. goose or duck down and other feathers are frequently used as a warm and lightweight filling in duvets and quilts. but such fill can protrude in part even from tightly-woven fabric, and be an irritant for many people particularly those with allergies. natural and synthetic down alternatives are marketed. cotton, wool or polyester batting is commonly used as fill. these are less expensive and more easily laundered than natural down or feathers. synthetic fibers are best in the form of thermofused (where fibers cross) batting. thick-woven or knitted wool, cotton, acrylic or other microfiber synthetics, or blends of these, are typically used for blankets. ==bedding sizes==   bedding sizes are made with consideration of 
Bedding