You watched the nurses at the hospital swaddle your baby so easily and thought it was a breeze. But now, you’re staring at your little one, unsure how to tuck the blanket. Does that sound familiar?
Don't worry! With this detailed guide on how to swaddle, you'll master the diamond technique after just a few practices. We'll show you everything needed for safe sleep, whether you’re using a traditional blanket or a modern wrap.
First things first: Make sure you know all the safety rules before starting with any of our how-to guides.
3 Essential Preparation Steps
Choose the Right Swaddling Material
Your blanket should be at least 40x40 inches and made of a lightweight and breathable material. Avoid thick blankets that can cause overheating; the ideal fabric should be thin enough to read through when held up to the light.

Feel overwhelmed with so many options? Our guide on choosing the perfect swaddle might help! For a shortcut, visit our swaddle blanket collections!
Prepare a Safe Swaddling Surface
Lay your blanket on a flat, sturdy surface like a bed or changing table. Clear the area and ensure good lighting. This safe swaddling method gives you full control during wrapping.
Ensure the Baby is Ready
Before you swaddle, make sure your baby is ready and cooperative. Check that they have a full tummy, a clean diaper, and are in a good mood. Ticking off this simple checklist will ensure a calm and successful wrapping for both of you.
Diamond Swaddle Technique: Step-by-Step Guide
Step 1: Create the Diamond Foundation
Lay your blanket in a diamond shape with one corner pointing up. Fold the top corner down 6-8 inches to create a straight edge.
Step 2: Position Your Baby Correctly
Place your baby on their back with shoulders aligned with the folded edge. Their neck should sit just above the fold, with their head extending beyond the blanket entirely.
Step 3: Secure the First Arm (Right Side)
Hold your baby's right arm against their side. Pull the left corner across their chest and right arm, wrapping snugly but not tightly. Tuck excess blanket under their back on the right side. You should fit 2-3 fingers between the blanket and chest.
Step 4: Create Hip-Safe Leg Space
Fold the bottom corner up toward your baby's chest without pulling tight. This is a crucial step for hip-safe swaddling. A baby's legs should bend naturally in a "frog-leg" position, never straight down together, as this can increase the risk of hip dysplasia.
Step 5: Complete the Swaddle
Hold the left arm down and pull the remaining corner across your baby's body. Wrap snugly and tuck the end securely under their back. The completed swaddle wrap should feel like a cozy cocoon.
Common Swaddling Mistakes to Avoid
- Wrapping Too Loosely: Loose swaddles create safety hazards when fabric comes undone and can cover your baby's face. The wrap should be secure but never restrict breathing.
- Forcing Legs Straight: Research shows straight-leg swaddling increases hip dysplasia risk. Always ensure legs can bend naturally with hips able to spread apart.
- Covering Neck or Face: Never let fabric touch your baby's neck or face. The American Academy of Pediatrics emphasizes swaddles should not make breathing difficult.
- Continuing Past Rolling Stage: Stop swaddling immediately when your baby attempts to roll (typically 2-4 months). This is because a baby swaddled who rolls onto their stomach may not be able to lift their head, posing a risk of suffocation.
Quick Safety Checklist
Use this essential checklist every time you swaddle to ensure you're following safe swaddling methods:

- [ ] Can you fit 2-3 fingers between the blanket and your baby's chest?
- [ ] Can your baby's legs bend and flex in a natural frog-leg position?
- [ ] Is the blanket positioned below the shoulders with no fabric near the neck or face?
- [ ] Does your baby feel warm but not hot?
Practice Makes Perfect!
Learning how to swaddle properly transforms sleep time for your entire family. When you get the diamond technique just right, it provides perfect security and safety for a sound baby sleep. Remember, no one achieves perfect swaddling immediately – it improves with practice.
Focus on safety checkpoints and trust your instincts. If something doesn't feel right, unwrap and start over. Every baby is different, so consult SwaddleAn if you're unsure about any aspect of newborn sleep swaddling.
Related Blog Post
References
- Hip-Healthy Swaddling: https://hipdysplasia.org/infant-child/hip-healthy-swaddling/
- Sleep-Related Infant Deaths: https://publications.aap.org/pediatrics/article/150/1/e2022057990/188304