Q: Is a bed sheet a rectangular piece of cloth used as bedding? ¶
A: Yes, and being placed immediately below or above bed occupants.
Q: Is a bed sheet overlocked around the edges to form four seams? ¶
A: Yes.
Q: Are bed sheets often conveyed by the thread count—the number of threads per square inch of material? ¶
A: Yes.
Q: Were bed sheets traditionally white and made of linen? ¶
A: Yes, and cotton or silk, but now various colors and patterns are used.
Q: Was a bed sheet first used in the 15th century? ¶
A: Yes.