Featuring the patented \"arms up\" design which supports babies\' natural sleep position and hip healthy shape, the Celestial Nights Swaddle UP™? helps to soften the startle reflex that often wakes young babies, so you and your baby can sleep soundly for longer. The perfect way to swaddle your baby, the Swaddle from Love To Dream takes the hassle out of wrapping up your baby. The clever and practical design allows your baby to sleep in their natural position, with their arms up, and helps prevent your baby from rolling onto their tummy - experts recommend they sleep on their back. The shape of the bag allows hips to remain in a natural healthy position and move freely.