I'm soft, and you can sit in me with others. Who am I?

Explanation

A couch or sofa, is a piece of furniture for sitting or reclining. It is designed to seat more than one person, and usually has a back and armrests. Sofas come in different shapes, sizes and materials - cloth or leather. A space-saving device is the sleeping sofa, where a sofa is turned into a bed at night.