What counts as signs of rolling to stop swaddling?

What exact phrase does the Lullaby Trust use?

On How to swaddle your baby (updated 30 April 2026) the charity's stop line is: once a baby shows signs of rolling, stop swaddling them with their arms wrapped inside the material. The reason it gives is that they could roll onto their tummy and not be able to roll back again, because they cannot use their arms. The safest sleeping position it names is on their back.

The same wording appears in the Lullaby Trust early-years safer-sleep booklet for people who look after babies in a setting: stop swaddling (with arms wrapped inside the material) when a baby shows signs of rolling. Neither page defines those signs, lists a first-roll video, or names a week of age.

Official records use 'signs of rolling', not 'has completed a roll onto the tummy and back again'. Waiting for a finished milestone is not the phrase on the charity page.

Is a finished tummy roll the trigger?

No. If the charity had meant a completed back-to-front roll, it could have written that. It wrote signs. NCT (reviewed 30 April 2025) says swaddling should be stopped when a baby is able to roll onto their front, and, in its 'don't swaddle' list, when they are showing signs of rolling (this could be between three to six months).

Those two UK charity lines sit together: NCT names an age window where signs often appear, and both use 'signs' or 'able to roll' rather than a passport-stamp milestone. Neither publishes a medical movement scale. Brand blogs that wait for 'rolling both ways' are writing a different rule.

Which everyday movements count as signs?

UK official pages do not publish a tick-list. The table below is a parent-language map onto the charity phrase, not a Lullaby Trust or NCT diagnostic. The point of the map is to stop you waiting for a perfect tummy landing in the cot.

If you are only seeing a startle (Moro) jerk with the arms flying out, that is not by itself the rolling line. If you are seeing the trunk turn, treat it as a sign. When in doubt, the charity's wording is already to stop wrapping the arms inside — it does not ask you to collect three filmed rolls first.

What should I do when I notice those signs?

1. 1
   Stop wrapping the arms inside That is the Lullaby Trust action. The fabric should no longer pin both arms. This page does not add a 'one more week' buffer.
2. 2
   Keep putting the baby down on their back The charity's position throughout is back to sleep, swaddled or not. Never put a swaddled baby to sleep on their front or side — and once arms are free, still start on the back.
3. 3
   Use thin fabric or a bag that does not wrap the arms If you still use a muslin, it should not hold the arms in. A well-fitting sleeping bag with free arms is the product shape the dress-for-sleep page discusses. Follow that bag's own weight and height line.
4. 4
   Do not add a blanket over a wrap you have not fully stopped The swaddling page already says never place extra bedding over a swaddled baby. Coming out of a wrap is not a reason to add a duvet.

How does NCT's wording compare?

NCT tells people to place the baby on their back, wrap the body not the head, and — if the baby is over three months old — keep their arms free. That three-month line is NCT's, not the Lullaby Trust's. The Trust's stop trigger remains signs of rolling, which NCT also lists and dates as often three to six months.

NCT also says not to start swaddling for the first time at two to three months, and not to swaddle when bed-sharing or when the baby has an infection or fever — matching the Trust's 'never swaddle when' list. Those are separate from the rolling-sign question.

• Lullaby Trust stop: signs of rolling → arms no longer wrapped inside the material.
• NCT extra timing line: over three months, keep arms free — even if you have not yet clocked a roll.
• Neither page: a brand's staged 'one arm out after the first roll' calendar.

What stays the same after I stop swaddling?

Back to sleep, a clear cot, room about 16–20 °C, no hat indoors, check the chest or neck for heat. The Lullaby Trust's six how-to-swaddle points still describe how a wrap was meant to be done; they do not extend the wrap past rolling signs. If the baby was born early or has a medical reason they were wrapped in hospital, the charity says hospital practice can differ from home — follow the clinical team and the home swaddling page, not a US cue list.

In shortIn short: 'signs of rolling' means the first turns, side-tips and push-ups, not a completed night-time tummy roll. Official UK pages give no movement exam. When you see the trunk start to turn, stop wrapping the arms inside. That is the charity line; this page does not invent a later milestone.