How do I swaddle, and when do I stop?

Part of Baby Sleeping Guides

How long can you swaddle a baby? Stop when they show signs of rolling. Parents also ask how long to swaddle baby. That is the same sign, not a date you circle. Every sleep in a swaddle is on their back.

A swaddle is a wrap for sleep in the cot. It is not a weighted product. It is not a loose blanket. The face stays clear. The mattress stays firm and flat, with a fitted sheet. Pods, nests, pillows, loose blankets, bumpers, and soft toys stay out of the sleep space. For the first 6 months, that cot is in your room.

Swaddle on the back

On their back. Every nap. Every night. You put them down already on their back, inside the wrap. You do not swaddle them and then lay them on their side, and you do not swaddle them on their stomach.

The wrap covers the body and leaves the face clear. Nothing from the swaddle sits over the nose or the mouth. If the fabric rides up, fix it or take it off. You do not tuck a second blanket over the wrap. A well-fitting sleep bag is the later cover. A loose blanket is not the partner of a swaddle.

This page will not give you a fold-by-fold diagram. Hands, hips, and cloth differ, and a drawing here would invent a method. The rules that do not change are the ones you can check tonight: back, face clear, not weighted, cot clear, stop at signs of rolling.

If they fall asleep in a swing, a car seat, or a sling, move them to the flat cot as soon as it is safe, still on their back. Those sitting devices stay off routine sleep. Inclines over 10 degrees are unsafe. A bouncer is not a sleep place either. A wrap does not change that.

Stop at signs of rolling

Signs of rolling are the stop. If they are starting to roll, the swaddle comes off. You do not wait for a calendar. You do not wait to see whether the roll "counts" if you already see them turning over.

A swaddle holds the arms in. A baby who is rolling needs those arms. That is why the stop sits at the signs, while the wrap is still your habit. Once the signs are there, the next sleep is unswaddled.

Once they can roll both ways, you can leave the position they find. You still start every sleep on the back. The split is simple. It is not a drill you run in the cot. It is also not a reason to keep a swaddle on while you watch. The swaddle is already finished when the signs start. The both-ways rule is for a clear cot after that.

If they have rolled to their side and you are not sure what to do with the position, read My newborn sleeps on their side. If they are still swaddled when that happens, take the swaddle off and put them on their back. The wrap and the roll do not belong together.

There is no week number

Do not pick a week. Babies do not start rolling on the same day. A chart that names one stop date will be early for one baby and late for another. Late is the problem. A swaddle past the signs of rolling is the thing you are avoiding.

How long to swaddle a baby, asked as a number, does not have an answer on this page. Asked as a sign, it does. You watch for rolling. The day you see the signs is the last day of the swaddle. There is no taper measured in weeks.

A parent online will ask if a quiet baby who is "not rolling yet" can stay wrapped a bit longer. If there are no signs, the swaddle can stay, on the back, in a clear cot, not weighted. If you are unsure whether a kick or a turn is a sign, stop. Stopping early keeps them on their back in a sleep bag. Continuing past a sign does not.

You will not find a week, a fortnight, or a month as the stop in this guide. Anyone who gives you one number for every baby is not using the sign. Use the sign.

No weighted wrap

No weighted swaddle. No weighted wrap. A weight sewn into the fabric is not a calmer version of the same thing. You do not add it for a baby who startles, and you do not add it for a baby who fights the plain wrap.

A plain wrap, used on the back and stopped at the signs of rolling, is the swaddle this page is talking about. If a product feels heavy, or it is sold as weighted, it stays out of the cot. You do not "try it for one nap".

The same no covers a weighted blanket put over a swaddle, and a weighted sleep bag used as the next step. The next step is a well-fitting sleep bag that is not weighted. Loose blankets stay out of the cot for the first year. The weight is not a shortcut around that.

If you already own a weighted wrap, you do not need a use for it. The cot does not have to inherit every product in the drawer. Sleep stays light: their body, a wrap or a sleep bag that fits, a fitted sheet, their back.

How to transition out of the swaddle

How to transition out of the swaddle is a short change. You stop. The next sleep uses a well-fitting sleep bag. They go down on their back. You do not spend a set number of nights with one arm out and one arm in. That is a week plan, and this page does not use one.

You see	What you do
No signs of rolling	You can swaddle, on the back, face clear, not weighted.
Signs of rolling	Stop the swaddle from the next sleep.
You want a slow week of changes	Do not. There is no week number.
The night is fussier without the wrap	Comfort them. Put them back on their back in the sleep bag. Do not return to the swaddle once the signs are there.
They can roll both ways	Start on the back. You can leave the position they find. The cot stays clear.

The first nights without the wrap can be louder. Louder is not a reason to rewind once rolling has started. You can hold them while you are awake, then put them down again. You do not leave them to cry as a transition method. You do not put them in a swing to replace the swaddle.

The sleep bag replaces loose bedding. It does not hold the arms the way the swaddle did. That difference is the transition. Zip the bag, clear the face, back on the mattress. Fitted sheet only. No lovey and no stuffed animal added to make up for the wrap.

The cot stays clear

With a swaddle or without one, the cot holds a firm, flat mattress and a fitted sheet. Your baby is on their back when you put them down. Pods and nests stay out. Pillows and bumpers stay out. Soft toys stay out. A loose blanket stays out for the first year.

The swaddle is not a positioner. You do not add a rolled towel at their side so the wrap cannot tip. If they are tipping, the answer is the back, and then the stop if rolling is the reason. Read the side-sleep guide if that tip is the whole question. Keep this cot empty enough that a roll has nothing soft to meet.

Room sharing for the first 6 months still applies. The swaddle does not move them to another room, and stopping the swaddle does not move them either. The cot stays near you. You can hear the louder nights. You can put them back on their back.

If they seem ill, call a doctor. A fight with the wrap is a settle. Illness is a different call. You do not tighten a swaddle, weighted or not, to cover an illness. The midwife or doctor still comes first.

Frequently asked questions

Sources

Fact-checked

• NHS. Safer sleep advice for babies.nhs.uk
• NHS. Sudden infant death syndrome (SIDS).nhs.uk
• NHS Inform. Your baby's development from 2 to 12 months.nhsinform.scot
• American Academy of Pediatrics. Sleep-related infant deaths: updated 2022.publications.aap.org

Reviewed 2 November 2026. Back sleeping, clear cot, rolling, and incline facts checked against the NHS, NHS Inform, and American Academy of Pediatrics pages linked above. Stop the swaddle at signs of rolling. No weighted wrap. No week number.