Get ready to sleep a lot, a lot, when your little one is cuddled in the luxurious günamüna® sleep bag duvet. This down alternative sack with evenly distributed weight increases relaxation while our one-of-a-kind WONDERZiP® keeps baby covered during changes. A better way to sleep. Cocoon baby into a cloud of comfort like a full-on-wrap-your-arm-around-me-twice koala hug with the günamüna® sleep bag duvet. This down alternative cozy wearable comforter, in silky soft bamboo rayon, with evenly distributed weight increases relaxation so baby feels secure & calm. Then enjoy the easy peasy WONDERZiP® diaper-zipper to keep baby covered during diaper changes. A BETTER WAY TO SLEEP: Scientific research shows that sleeping under an evenly distributed weight brings about a deeper sleep cycle, increases serotonin, and reduces anxiety by giving the same all-over sensation