A sleep sack is a cozy and comfortable bedding accessory designed to provide a snug and secure sleeping environment. It resembles a bag or sack, typically made of soft and breathable materials, that encloses the body while allowing movement. The sleep sack promotes a sense of warmth and containment, creating a soothing atmosphere conducive to restful sleep. Its purpose is to enhance relaxation, minimize disturbances, and ensure a peaceful slumber experience.