What are heavy comforters called?

A weighted comforter is a thick, heavy blanket that helps you sleep by providing extra weight. Unlike a regular comforter, a weighted comforter consolidates the extra layer and your comforter into one product, so you’re not sleeping under a pile of tangled blankets.

Fact

The leg bones of a bat are so thin that out of the 1,200 species of bats, only 2 can walk on ground. These are the Vampire bat and the Burrowing bat.