How to Transition a Toddler from Crib to Full-Size Bed: What Worked for Us

If you read my big girl room post (this is the follow-up I promised), you already know we just transitioned my two-year-old daughter from her nursery into her own big girl room. Part of that transition meant moving from a crib to a full-size bed, and a few of you asked me to share exactly how we made it work.

So here it is. Everything we did, in the order we did it. With the disclaimer that every kid is different, and you should absolutely take what's useful and leave the rest.

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Start Months Before You Actually Move Them

This is the thing I want to say first because I think it's where the whole transition is won or lost. We started talking up this big girl room months before she was actually sleeping in it. Like, months. Casually, constantly, in totally low-stakes moments.

"You're going to have your own big girl bed!" "Should we look at pillows for your big girl room?" "Want to help Mama hang this picture up in the big girl room?"

Kids pick up on so much. What I've noticed with both of mine is that if a transition feels exciting and theirs, they meet it with curiosity instead of resistance. So I lean all the way into making them part of the whole thing.

She helped me decorate. She hung up pictures. She handed me nails. I let her use the hammer (with help, obviously). She picked things out when she could. She helped me put the bed together. By the time the room was actually done, it was her room, and that mattered.

Phase One: Get Out of the Sleep Sack First

Here's where my nurse background kicks in. I'm pretty cautious about safe sleep, and my kids stay in a sleep sack pretty much until we're ready to make the move out of the crib entirely. That's just a quirk of mine. Take it or leave it.

But here's what I learned: you don't want the sleep sack to blanket change and the crib to full-size bed change happening at the same time. That's a lot for a little person. So we do this in stages.

About a month or two before the room change (and again, this is going to depend on your kiddo), I take the sleep sack away and add a lightweight blanket and a really thin pillow to the crib. Around that same time, I also start letting her have a few stuffed animals in there.

Does she sleep with them "correctly"? Absolutely not. Her bottom ends up on the pillow. She's scrunched up halfway across the crib. The blanket is somewhere down by her feet. But that's fine. The point isn't perfect form. The point is that by the time she gets into the full-size bed, the idea of a pillow and a blanket isn't new.

We use that same thin pillow when we move her to the full bed. Same blanket setup. Just a bigger space. I really do believe this is what made the actual move feel like no big deal. Going cold turkey from sleep sack straight to a full-size bed with sheets and a pillow is just a lot of change at once.

Phase Two: Replicate the Sleep Environment

When we set up her new room, I worked hard to make the sleep environment as close to the nursery as possible. Same cues, same vibe, same comfort.

• Same sound machine, same settings. I literally moved it from one room to the other and didn't touch a thing.
• Blackout window coverings. Her pretty curtains in the new room are decorative, not blackout, so I added some inexpensive blackout shades from Amazon behind them. They're the same ones I have in the nursery and they're such a game changer.
• Her favorite stuffed animals and dolls. She tends to rotate which ones she wants to sleep with, so I just made sure the current favorites were waiting for her in the bed.

The goal here: she lays down in this new room and her body just knows what to do because everything around her is sending the same signals it always has.

Phase Three: Start with Naps

This is something I really recommend. Don't do the first night in the new bed cold turkey. Do a few days of just naps in the big bed first.

You're checking a few things when you do this:

• Can she fall asleep in the new setup at all?
• Is she fighting it, or rolling with it?
• Does she stay in the bed?

Go off your kid. If naps are going well, move to overnight. If naps are a disaster, give it a few more days and figure out what's tripping her up before adding the bigger emotional weight of nighttime.

For us, naps went smoothly. After a few days, we moved to overnight, and she didn't have any issues. I'll fully admit my daughter has always been a sleep lover. She kind of always has been. So I wasn't too worried going in. But the gradual rollout still mattered, even with an easy sleeper.

A Few Safety Pieces for the Full Bed

The bed we're using is pretty tall (it's a vintage four-poster), so we added a couple of safety pieces while she gets used to the size:

• A temporary bed rail along the open side. I'll probably keep this up for a few months, just until she's really used to the bed.
• Stacked pillows along the rail as a soft buffer. She moves around a lot in her sleep and I wanted that extra layer.

Nothing fancy. Just enough to give me peace of mind and her a soft landing if she rolls.

The One Phrase We Never Say

Okay, this is my favorite tip, and I really wish I could remember which podcast I heard it on (if you know which one, drop it in the comments and I'll credit them properly). I heard it back when my son was transitioning to his big boy room, and it stuck with me.

Never say the words "don't get out of bed."

We just don't say it. We don't put it into existence. We don't even introduce it as a concept. We don't reassure them they shouldn't get out of bed. We don't bring it up at all.

What's wild is that my kids actually treat their full-size bed like it's still a crib. They get in, they go to sleep, and they wait for me in the morning. My son is four and he still calls out, "Mama, I'm up!" from his bed every morning, and I go get him.

It sounds way too simple to actually work, but it has worked for both of mine. I think part of the reason is that we never planted the seed of "getting out of bed" as an option in the first place.

Caveat: My Kids Are Not Climbers

I should say this clearly because I know it's a big factor for some families: my kids have never been crib climbers. I'm not sure if part of that is because we kept them in a sleep sack so long that they didn't really have the freedom of movement to figure out the climb. Or maybe they're just not climbers by personality. Either way, I've never had to chase a kid out of bed in the middle of the night, and I want to be honest about that.

If your kid is a climber, your timeline might look different. You might be moving sooner than you'd like for safety reasons, and that's a totally different ballgame. Adjust accordingly and don't feel like you have to follow this exact playbook.

The Bottom Line

Transitioning a toddler from a crib to a full-size bed doesn't have to be a big dramatic event. For us, it looked like this:

1. Talk up the room and bed for months. Make them part of the process.
2. Drop the sleep sack first. Add a thin pillow and blanket to the crib while they're still in it.
3. Replicate the sleep environment. Same sound machine, blackout windows, familiar stuffed animals.
4. Start with naps. Don't go straight to overnight.
5. Add safety pieces like a bed rail and stacked pillows.
6. Don't say "don't get out of bed." Don't even introduce the concept.

And give yourself grace. Each kid is so different, and your timeline doesn't have to look like anyone else's. If your little one needs more time, give them more time. They eventually figure it out.

If you've made this transition with your toddler, what worked for you? Anything I missed? Drop it in the comments. I always love hearing how other mamas navigate this stuff.