Swaddling and transitions: safe techniques and timing

Swaddling can help calm many newborns and support longer sleep stretches by preventing the startle reflex from waking them, but it must be done safely. Use a snug wrap that keeps the hips free to move, and place the baby on their back while swaddled. Stop swaddling and move to a wearable blanket or sleep sack when the baby shows signs of rolling or can roll from back to front, because a swaddled baby who rolls may not be able to move safely.

Pacifiers, feeding, and soothing without cry-it-out

Offering a pacifier at nap time and bedtime is associated with lower risk of sudden unexpected infant death, and many babies accept it readily. If you are breastfeeding, try waiting until breastfeeding is well established, usually a few weeks, before introducing a pacifier, and then offer it at sleep times. If your baby loses the pacifier after falling asleep, you do not need to wake them to reinsert it, but you can offer it gently if they wake and seem to want it.

Applying Back to Sleep in real life: families, cultures, and caregivers

Implementing safe sleep in a busy household takes planning and communication: talk with family members, babysitters, and childcare providers about the Back to Sleep principles and show them your safe sleep setup. Use a simple note or card with your baby’s safe sleep checklist that you can leave near the crib or in your diaper bag to remind others of the rules. If grandparents or cultural practices favor tummy sleeping or other traditions, have a calm, respectful conversation, explain the reasons

A gentle guide to sleep science support: Back to Sleep: The Campaign That Saved 10,000+ Babies.

Back to Sleep: The Campaign That Saved 10,000+ Babies The Back to Sleep campaign changed how parents and caregivers put infants to sleep, and it led to a dramatic fall in sudden infant death syndrome. This article explains the history, the science behind why back sleeping works, and clear steps you can use to protect your baby every sleep. The origins and impact of the Back to Sleep campaign The Back to Sleep campaign began in the 1990s as public health leaders noticed a link between sleep position and sudden infant deaths. Health organizations launched coordinated education for parents, caregivers, and childcare providers, encouraging infants to be placed on their backs to sleep. Over the following years many countries reported large reductions in sudden unexpected infant deaths, and public awareness around safe sleep rose substantially. The campaign did more than change a habit: it saved lives by shifting the default sleep position for infants, and it prompted clearer guidance on sleep surfaces and bedding. Public messaging also encouraged room-sharing without bed-sharing, and provided practical checklists for safe sleep spaces. While no single intervention eliminates every risk, experts estimate the campaign prevented well over 10,000 infant deaths in the years after rollout, showing how public health messaging can protect babies at scale. Why back sleeping reduces risk: the science explained When an infant sleeps on the back, the airway is less likely to become obstructed, and the baby is better able to clear exhaled air. Sleeping on the stomach or side can increase the chance of rebreathing carbon dioxide, which may reduce oxygen levels and impair the baby’s ability to wake up if breathing is shallow. Back sleeping also helps regulate body temperature and reduces pressure on the infant chest, supporting more regular breathing patterns during deep sleep. Infant arousal mechanisms are still developing during the first months of life, and the safest sleep environment helps avoid situations that challenge those mechanisms. For example, soft bedding and loose blankets can increase the chance of rebreathing or covering the face, and overheating can make it harder for an infant to wake if breathing becomes shallow. Putting a baby on their back, on a firm flat surface, with minimal bedding supports their immature nervous system and makes it easier for them to adjust breathing and arousal if they need to. Practical safe sleep steps you can use tonight Use a short checklist each time your baby sleeps, so safe sleep becomes automatic: always place your baby on their back for naps and night sleep, use a firm, flat mattress that fits the crib or bassinet, and keep the sleep area free of loose bedding, pillows, bumpers, stuffed toys, and soft objects. Dress your baby in a wearable blanket or appropriate clothing to maintain temperature instead of using loose blankets. Keep the room at a comfortable temperature, and check your baby’s neck or chest for warm