The Sleep Regression Nobody Talks About: Surviving the Swaddle Transition

We hear a lot about the 4-month sleep regression, 8-month sleep regression, and all the other developmental changes that can suddenly disrupt a baby's sleep.

But there's one “sleep regression” that nobody really talks about: transitioning out of the swaddle.

Technically, this isn't a true sleep regression, but I see sleep fall apart during this transition all the time. A baby who was sleeping well may suddenly start waking more often, have a harder time settling, or begin taking shorter naps.

In fact, I still remember going through this with my youngest. Once he started showing signs of rolling, we transitioned him out of the swaddle and into a sleep sack. Then he started rolling onto his belly and crying (in the middle of the night) because he didn't want to be there! It definitely disrupted his sleep for a while. But I had no choice, I had to transition him away from his swaddle for safety reasons.

So, let's talk about why this happens and what you can do to make the transition a little easier.

Why Sleep Can Change When You Stop Swaddling

Young babies have something called the Moro reflex, also known as the startle reflex. Swaddling helps prevent those sudden arm movements from waking them and also provides the snug, contained feeling many newborns prefer.

Once you remove the swaddle, your baby suddenly has access to their arms and hands. They may start touching their face, knocking out their pacifier, moving around more, or startling themselves awake.

It can take some time for them to figure out how to sleep comfortably with all this new freedom. Eventually, having their arms free is actually a good thing. Babies can use their hands to self-soothe, reposition themselves, and get comfortable. But there can definitely be an adjustment period first.

When Should You Stop Swaddling?

This is one transition you don't want to delay just because your baby sleeps better swaddled. Once your baby shows signs of attempting to roll, it's time to stop swaddling and move to an arms-free sleep option. If your baby isn't showing signs of rolling yet, you may be able to make the transition more gradually.

You Don't Have to Go Cold Turkey

Some babies do perfectly fine going straight from a swaddle to a regular sleep sack. Others struggle with the sudden change. This is where a transitional product can be helpful.

One option is the SwaddleDesigns Transitional Swaddle Sack, which is designed specifically for this in-between stage. Instead of completely restraining the arms like a traditional swaddle, the design gives babies more freedom to move while still providing a snugger feeling as they adjust to having their arms out. And for the price and quality, you really can't beat it!

HALO also offers transitional sleep products that can help bridge the gap between a traditional swaddle and a regular sleep sack. Check it out here.

You can also transition directly to a regular sleep sack if your baby does well with it, but I do recommend a sleep sack for extra coziness especially since your baby cannot have a blanket until they are toddler due to safety reasons.

Needless to say, there isn't one product or approach that's going to work best for every baby. Whatever you choose, make sure it's appropriate for your baby's age and development and always follow the manufacturer's safety instructions.

What If Sleep Gets Worse?

First, give it some time. It's common to see more night wakings, shorter naps, or difficulty settling while your baby adjusts. I wouldn't immediately assume you need to change their entire sleep schedule just because you've had a few rough nights after removing the swaddle.

Keep everything else as consistent as possible. Stick with an age-appropriate schedule, keep your bedtime routine the same, make sure the room is dark, and give your baby some time to get used to sleeping with their arms free.

Offer the one flip rule. This is what I did with all of my children. If they flipped over and got frustrated I offered one flip back over to their back (with a transitional sleep sack). If they flipped back onto their belly I watched them on the monitor closely and gave them space to figure it out on their own. I believe it took about 2 nights until their sleep got back to normal with this approach.

If sleep continues to be a struggle, then I start looking at the bigger picture. Is the schedule appropriate? Are they getting too much or too little sleep? Are there sleep onset associations? Is something in the sleep environment contributing to the wakings?

Because sometimes it's simply the transition out of the swaddle. And sometimes removing the swaddle makes an existing sleep issue much more noticeable.

If you're struggling with your baby's sleep and aren't sure what's causing the wakings, I can help. I work virtually with families to look at the entire picture and create an individualized plan based on your baby's sleep needs. Reach out today at pediatricsleepcoach@gmail.com and start your journey to better sleep!