We've been recommending the Zipadee Zip sleep sack long before they were on Shark Tank and we have worked with many happy families who have used it. But, a common question is should you wean from the Zipadee Zip before, after, or during sleep training? Do you have to wean from this swaddle transition sleep sack at all? Once you are ready to stop swaddling your baby, the most common sleep product parents use is a sleep sack. A sleep sack is also called a wearable blanket and it's considered