A bag of skin or fur into which explorers in frozen regions creep, feet foremost, when preparing for sleep.(noun)
The Century Dictionary (Public Domain)
Use "sleeping-bag" in a sentence
"In Madrid's Puerta del Sol square are the remnants of the large sleeping-bag protests that were scattered across the country."
"Fur trim, sleeping-bag coats, luxe anoraks, ethnic prints, black leather skirts and dresses, and motorcycle jackets are all looks that have shown up on numerous runways so far during Fashion Week's first few days."
"The shape of the hut is also energy - and resource-efficient, all cozy details that make it a prime location for late-night sleeping-bag storytelling."