Определение и Значение "mattress"

What is a "mattress"?

A mattress is a large, flat piece of cushioning material designed to support the body while sleeping. It is typically filled with materials such as foam, innerspring coils, or a combination of both, and is covered in fabric or another soft material. Mattresses come in different sizes, such as twin, full, queen, and king, to fit various bed frames. The comfort level of a mattress can vary, with options ranging from firm to soft, depending on the type of filling and construction. Mattresses are essential for providing a comfortable and supportive sleep surface.