Do babies need to be swaddled for sleep?
Using swaddle blankets for sleep is a personal choice. Swaddling keeps your baby's arms tucked in and mimics the cozy, secure feeling of the womb, which can improve sleep and keep them warm. In newborns, swaddling suppresses the Moro reflex, or startle reflex, which can wake them up from sudden movements. It also provides a sense of comfort and security, and helps regulate temperature for better sleep. There is no need to use a swaddle if your baby sleeps comfortably without one.
If you don’t choose to swaddle, a sleep sack is a good alternative. Babies should not sleep with blankets or loose linens as they pose a suffocation risk and increase the chance of Sudden Infant Death Syndrome (SIDS).
When to stop swaddling for safe sleep
When your baby starts rolling, usually between 2 to 4 months, swaddle them with their arms out or use a lightweight sleep sack. Rolling babies may shift onto their side or stomach, which increases the risk of SIDS. Keeping their arms free allows them to use their hands and arms to lift their head off the mattress if needed.
Tips to transition from swaddling
- Gradually transition from swaddling by leaving one arm out. After a few days, leave both arms out of the swaddle, and fasten the swaddle under their arms.
- Use a sleep sack which provides similar support to a swaddle.
- Alternate between a swaddle with arms out and a sleep sack during naps and bedtime to help your baby become familiar with both
Why do babies resist swaddling?
Every baby is different, and some enjoy the cozy, womb-like feeling of being swaddled, while others prefer having their arms free to self-soothe. Babies may resist being swaddled for various reasons, including:
- Swaddle may be wrapped too tight, especially after a feeding with a full belly
- The swaddle material is uncomfortable
- Your swaddling technique is causing discomfort
- Baby is fussy for other reasons like being overtiredness or hungry
Signs that your baby is uncomfortable in a swaddle:
- Fighting to break free
- Persistent fussiness and crying after being swaddles
- Frustration
Considerations when purchasing a swaddle
If you're buying swaddles for your baby, here are a few features to look for:
- Velcro or zipper closures for easy closure
- Specialized swaddles that offer a snug fit
- Swaddles made from breathable fabrics like cotton or muslin
If you have questions or concerns about swaddling your baby, contact a Summer Health sleep specialist for personalized guidance and support.
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