Newborn Care

How to Swaddle a Newborn (And When to Stop)

By Nurse Sydney||2 min read
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Swaddling is one of those newborn tricks that can genuinely change your life — when done correctly. It mimics the snug feeling of the womb and can help calm baby's startle reflex (the Moro reflex), which is often what wakes them up.

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How to Swaddle Safely

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  1. Lay a square blanket on a flat surface in a diamond shape
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  3. Fold the top corner down about 6 inches
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  5. Place baby face-up with their neck at the fold
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  7. Straighten baby's left arm, wrap the left corner across their body, and tuck it under their right side
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  9. Fold the bottom corner up over baby's feet
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  11. Straighten baby's right arm, wrap the right corner across, and tuck it under their left side
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The Rules

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  • Hips should be loose. Baby's legs should be able to bend up and out at the hips. A too-tight swaddle around the hips can cause hip dysplasia.
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  • Don't cover the face. The swaddle should be snug around the torso but well below the chin.
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  • Always place baby on their back. A swaddled baby should NEVER be placed on their stomach.
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  • Don't overheat. Use a thin muslin or cotton blanket. Baby shouldn't be sweaty or have a flushed face.
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  • Snug but not restrictive. You should be able to fit 2-3 fingers between the blanket and baby's chest.
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Swaddle Alternatives

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If traditional swaddling isn't your thing (or baby is an escape artist), there are great products:

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  • Velcro swaddles (like the SwaddleMe or Halo) — foolproof and fast
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  • Zip-up swaddles (like the Love to Dream) — arms-up position for babies who like their hands near their face
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  • Swaddle sacks — hybrid between swaddle and sleep sack
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When to Stop Swaddling

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You MUST stop swaddling when baby shows signs of rolling — typically around 2-4 months. A swaddled baby who rolls to their stomach cannot use their arms to push up or reposition, which is a suffocation risk.

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Signs it's time to transition:

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  • Baby is breaking out of the swaddle regularly
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  • Baby is starting to roll (even partially)
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  • Baby seems to fight the swaddle
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Transition to a sleep sack (wearable blanket with arms free) — it gives that cozy feeling without the rolling risk. The transition can be rough for a few nights, but baby will adjust.

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Topics:
swaddlingnewbornsafe sleepsleep tips

Nurse Sydney

Perinatal Nurse Educator helping families navigate pregnancy, birth, and postpartum with confidence.

This article is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider with any questions regarding your health or pregnancy.

How to Swaddle a Newborn (And When to Stop) | Nurse Sydney Blog | Nurse Sydney