Published: October 29, 2026

The ABCs of Safe Sleep: Three Letters Every Parent and Caregiver Should Know

When it comes to keeping babies safe during sleep, the most important guidance can be summed up with three simple letters: ABC.

Safe sleep recommendations are designed to help reduce the risk of Sudden Infant Death Syndrome (SIDS) and other sleep-related infant deaths. While parents often think about safe sleep at bedtime, these recommendations apply to every sleep, including naps, visits with family members, childcare settings, and travel. Following the ABCs consistently can help create a safer sleep environment throughout a baby's first year. According to Cribs for Kids and the American Academy of Pediatrics, simple actions such as placing babies on their backs to sleep and keeping the sleep space free of soft objects can make a significant difference.

What Are the ABCs of Safe Sleep?

The ABCs provide an easy way to remember the core principles of safe sleep.

A is for Alone

Babies sleep safest in their own sleep space, such as a crib, bassinet, or play yard. The sleep area should be free of blankets, pillows, stuffed animals, crib bumpers, and other loose items. Cribs for Kids recommends sharing a room, not a bed, during the first months of life.

Many parents are surprised to learn that a bare crib is actually the safest crib. While blankets, loveys, and cushions may be comforting, they can create hazards in an infant sleep environment.

B is for Back

Always place your baby on their back for every sleep, including naps.

The recommendation to place babies on their backs has been one of the most successful public health initiatives related to infant safety. According to reports, educating families about back sleeping contributed to a more than 50% reduction in sleep-related deaths.

Many caregivers have questions about whether babies might choke while sleeping on their backs. Research has shown that healthy babies are not at increased risk of choking when placed on their backs to sleep. The back-sleeping position helps keep the airway open and remains the safest sleep position for infants.

C is for Crib

Babies should sleep on a firm, flat mattress in a safety-approved crib, bassinet, or play yard with a fitted sheet. Soft surfaces, couches, armchairs, swings, and loungers are not recommended for routine sleep.

When setting up a nursery, you don't need expensive accessories to create a safe sleep environment. In fact, the safest sleep space is often the simplest one.

The ABCs Apply to Every Sleep

One of the most common misconceptions about safe sleep is that it only matters at bedtime.

In reality, the ABCs should be followed during naps, childcare, visits with grandparents, vacations, and any other time a baby is sleeping. Consistency is important because babies don't know the difference between a two-hour nap and overnight sleep.

If your child is cared for by multiple people, take time to discuss your baby's sleep routine and safe sleep expectations. Ensuring everyone follows the same recommendations helps create a safer environment wherever your baby sleeps.

Questions Families Often Ask About Safe Sleep

 

Can my baby sleep with a blanket?

No. Loose blankets should be kept out of the sleep space. If warmth is needed, consider a wearable blanket or sleep sack.

What if my baby falls asleep in a swing or car seat?

Babies who fall asleep in a seating device should be moved to a flat, safety-approved sleep surface as soon as it is practical and safe to do so. The American Academy of Pediatrics advises against routine sleep in sitting devices.

Can my baby share my bed?

Cribs for Kids recommends room-sharing, not bed-sharing. Room-sharing can make nighttime feedings easier while still providing a separate, safe sleep space for your baby.

Elliot's Commitment to Safe Sleep

As New Hampshire's only Gold-Level Certified Safe Sleep Hospital and a Cribs for Kids partner, Elliot Hospital is committed to promoting safe sleep practices through family education, staff training, and evidence-based care.

Before families leave the hospital, our maternity team provides education and resources designed to help parents and caregivers create safe sleep environments at home. By reinforcing safe sleep practices from the very beginning, we aim to support healthy starts for the babies and families we serve.

Safe sleep is just one part of preparing for life with a new baby. Elliot's childbirth classes, hospital tours, and family education programs provide expert guidance on topics ranging from labor and delivery to newborn care and breastfeeding support.

Register for a class or explore additional resources

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