Bed sheet

A bed sheet is a rectangular piece of cloth that is put on top of a mattress. This is done for reasons of hygiene, and to protect it from wear. If bed sheets are used, they are put under blankets.

Folded bed sheets

Differently colored bed-sheets

The term bed sheet was first used in the 15th century.^[1] Bed sheets were traditionally white and made of cotton, linen or silk, however, now various colors and patterns are used.