A bed sheet is a rectangular piece of cloth used either singly or in a pair as bedding, being placed immediately below or above bed occupants. ... A bottom sheet is laid above the mattress and bed occupants lie on it.
A bed sheet is a rectangular piece of cloth used either singly or in a pair as bedding, being placed immediately below or above bed occupants. ... A bottom sheet is laid above the mattress and bed occupants lie on it.