Is co-sleeping the same as bed-sharing?

No, and the confusion causes real harm. Co-sleeping includes safe room-sharing. Bed-sharing is sharing a sleep surface. The AAP recommends the first and does not recommend the second under 12 months.

What is the safest place for a baby to sleep?

On their back, on a firm flat non-inclined surface, in a bare AAP-approved crib, bassinet, or play yard, in the parent's room for at least 6 months.

Isn't bed-sharing normal in many cultures?

Bed-sharing is common globally. Rates of sleep-related infant death are also higher in some of those contexts. Cultural prevalence is not the same as safety. Modern Western beds (soft, deep, with duvets, in heated rooms) are also structurally different from a floor mat.

Can I bed-share if I breastfeed?

The AAP does not recommend it under any conditions in the first 12 months. Some researchers (McKenna, Ball) argue breastfeeding + specific safety measures is lower-risk than the AAP framing suggests. What everyone agrees on: never bed-share on a sofa, never with smoking or alcohol, never with soft bedding near baby.

What if I fall asleep during a night feed?

Do it on an adult bed cleared of pillows and soft bedding rather than a sofa or armchair. Sofa/armchair falls-asleep are the highest-risk scenario of all. Then return baby to their own sleep space.

When does bed-sharing become safer?

After 12 months, the SIDS risk profile changes significantly. Bed-sharing with a toddler is a family choice, not a medical concern in the same way, though room safety still matters.

Are bedside sleepers safe?

AAP-approved bedside sleepers (attached to the parent bed with a wall between the baby's sleep surface and the adult bed) are considered safe room-sharing devices. Non-approved 'in-bed' co-sleepers are not.

What is 'safe sleep seven'?

A harm-reduction framework from La Leche League for families who bed-share. It is not endorsed by the AAP. If bed-sharing is happening in your home, following it reduces risk substantially, but the safest sleep surface for a baby under 12 months is still a separate one.

Co-Sleeping and Bedsharing, Honestly

Co-sleeping is a broad term that includes both room-sharing (recommended by the AAP for at least the first 6 months) and bed-sharing (not recommended by the AAP because it raises the risk of sudden infant death). This page explains the difference, current safe sleep guidance, and the harm-reduction picture if bedsharing is already happening in your home.

Medically reviewed by [PLACEHOLDER NAME], [PLACEHOLDER CREDENTIAL] · Reviewer pending; a licensed pediatric clinician (pediatrician, pediatric sleep consultant, or registered pediatric nurse) is scheduled to review. Content follows current AAP guidance. Last content update: July 24, 2026.

Safe sleep first, always

Before anything else, the American Academy of Pediatrics (AAP) safe sleep guidance for babies under 12 months. These practices reduce the risk of sudden infant death syndrome (SIDS) and sleep-related infant death.

Back to sleep, every sleep, for every nap and every night, until baby's first birthday.
Firm, flat, non-inclined sleep surface in a safety-approved crib, bassinet, or play yard.
Nothing else in the sleep space. No pillows, blankets, bumpers, toys, wedges, or positioners.
Room-share without bed-sharing for at least the first 6 months, ideally 12 months.
Bedsharing is not recommended by the AAP. If a caregiver may fall asleep while feeding, do it on a firm adult bed cleared of pillows and soft bedding, then return baby to their own sleep space.
Offer a pacifier at nap and bedtime once breastfeeding is established.
Avoid overheating. Dress baby in one more layer than an adult would wear comfortably in the same room.
No smoking, vaping, alcohol, or unprescribed drugs during pregnancy or around baby.

Source: American Academy of Pediatrics, 2022 policy statement on safe sleep. See our interactive safe sleep checklist for a printable version.

Definition

Co-sleeping = sleeping in the same room as your baby. This includes safe room-sharing on a separate surface. Bed-sharing = sharing a sleep surface (bed, sofa, chair). The AAP 2022 policy separates these two clearly: room-share yes, bed-share no under 12 months.

What it looks like in practice

1. Safe room-sharing (AAP recommended)
Baby sleeps in a bassinet, crib, or play yard in the same room as the parent, on their own firm flat surface, on their back, with nothing else in the sleep space. This is the setup with the strongest safety evidence for the first 6 to 12 months and is what the AAP means by co-sleeping when they recommend it.
2. Bed-sharing (not AAP recommended under 12 months)
Baby sleeps on the same surface as an adult. The AAP does not recommend this because meta-analyses consistently show an elevated risk of sudden infant death, even in otherwise low-risk families. Risk is dramatically higher in specific conditions: soft surfaces, sofa or armchair, adult smoking, adult alcohol or drug use, prematurity, low birth weight, formula feeding, and baby under 4 months.
3. If bed-sharing is already happening
This is where the honest conversation has to happen. Many families end up bed-sharing at some point, often accidentally after falling asleep during a feed. Sofa and armchair sleep are the highest-risk scenarios of all — never fall asleep with baby on a sofa. If bed-sharing on an adult bed is happening, the harm-reduction guidance (from La Leche League 'Safe Sleep Seven' and similar) is: firm mattress, no gap between mattress and headboard/wall, no pillows or duvet near baby, no smoking or alcohol, breastfeeding, baby full-term and healthy, back sleeping, no other children or pets in the bed. This is harm reduction, not endorsement — the AAP still does not recommend bed-sharing.

Research and outcomes

The AAP 2022 policy statement (Task Force on SIDS) reviewed 40+ years of case-control data and confirmed bed-sharing raises the risk of sleep-related infant death, with risk elevated 5 to 10 fold in specific conditions (soft surfaces, sofa, parental smoking, alcohol, drug use). Room-sharing without bed-sharing is associated with up to 50% lower SIDS risk. The Lancet 2013 meta-analysis (Carpenter) found bed-sharing risk elevated even for breastfeeding non-smokers in the first 3 months, which is why the AAP does not carve out exceptions.

Frequently asked questions

Back to Sleep

This page is part of the sleep pillar.