A pillow is a head and neck supporter, usually used while sleeping in a bed, or for the body as used on a couch or on a chair. It has its health benefits too. A pillow is designed to provide support and comfort to the body.
There are three main types of pillows, and they are:
*ergonomic pillows can also be considered orthopedic pillows.
*floor pillows.
Of course, there are overlapping of use of the three. The appropriate size of a bed pillow depends on the size of the bed. In general a twin bed goes best with a standard pillow while for queen and king sized beds larger pillows are recommended. As a matter of fact, when you buy an entire set, bed with pillows, each size has a corresponding size of pillows