ISIS PDF bed-sharing May 2012 FINAL – Up to date Info on Bed Sharing Safety

This information sheet summarizes research-based evidence about the risks and benefits of babies sharing an adult bed with a parent or parents and about babies’ safety.

For more information on this and many other topics, please visit

Many parents bring their baby into their bed to sleep, but for most UK babies this is not where they always or usually sleep. Bed-sharing usually happens for part of the night, or for a couple of nights a week, although some babies sleep all night every night in their mother’s or parents’ bed.

Although many new parents think they will never sleep with their baby, research shows that many do so, for all kinds of reasons. About 50% of UK babies have bed-shared by the time they are 3months old, and on any night of the week a fifth of all babies sleep with a parent. Most of these are babies who are being breastfed, and three quarters (70-80%) of breastfed babies sleep with their mother or parents some of the time in the early months. It is important that ALL parents are informed about bed-sharing and have thought about how they will manage night-time care.

Why do people bed-share?

People bed-share for many reasons, and in many different circumstances. Bed-sharing can happen more — or less — safely. When done accidentally, without thought for babies’ safety,it can be very dangerous. Some babies are also vulnerable due to specific risk factors.

The most common reason for bed-sharing is to breastfeed in the night. Breastfed babies nursefrequently because human milk is easily digested, and they need to do so night and day.

Frequent night-time nursing helps mothers to make sufficient milk. Many breastfeeding mothersfind bed-sharing makes night-time nursing less disruptive after the first few weeks, and motherswho bed-share generally breastfeed for more months than those who do not.

Other people bed-share for bonding, especially if they have to leave their baby during the day forwork; some do so when their baby is ill, to be able to pay close attention. Many families fromaround the world bed-share because this is their normal cultural practice. Sometimes people bed-share because they cannot afford to buy a cot/crib, or because they are sleeping in a temporaryplace without one (e.g. visiting friends/family or on holiday).

Sometimes people fall asleep with their babies accidentally, or without meaning to. This can bevery dangerous, especially if it happens on a couch/sofa or arm-chair, or after consuming alcoholor drugs. Because every night is different, parents should think about their baby’s bed-sharingsafety every time!

Bed-Sharing and Safety

Many studies have shown that falling asleep with a baby — whether planned or by accident — isvery dangerous when the adult has been drinking alcohol, or has consumed drugs (includingmedication that affects awareness during sleep), or when they are on a sofa or arm-chair.


Bed-sharing, SIDS and risk factors
Although some bed-sharing (or sofa-sharing) infant deaths involve accidents relating to unsafe behaviour, others have no explained cause and are called SIDS (Sudden infant death syndrome),
also known as ‘cot death’. SIDS deaths happen wherever babies sleep, but studies have shown that some babies are more vulnerable than others.
Several studies around the world found that babies whose deaths were unexplained (SIDS) were more likely to have slept with an adult. More detailed investigations have shown that bed-sharing
SIDS cases usually involve a combination of bed-sharing and other factors. Smoking increases the risk of SIDS wherever a baby sleeps, but the risk is greater still when combined with bed-
sharing. The biggest risk-factor for bed-sharing SIDS is mothers’ smoking in pregnancy, followed by exposure to cigarette smoke after birth. In a large UK study the ratio of odds for SIDS to a
smoker (compared to a non-smoking mother) was 5 to 1. The odds ratio for a bed-sharing smoker was 12 to 1. Avoiding the combination of smoking and bed-sharing therefore reduces the chance of SIDS. Avoiding smoking has the biggest impact.
Other factors that increase SIDS-risk when bed-sharing include infant prematurity, and low birth-weight. There is some discussion about whether bed-sharing with a young infant (under 12 weeks
of age) may increase SIDS risk, but the research evidence is not clear cut. Although it is clear that breastfed babies have a lower risk of SIDS than those who are not breastfed, it is not clear how
the combination of breastfeeding and bed-sharing affect SIDS-risk as many other factors are usually involved.
How bed-sharing works
Adult beds are not designed to keep babies safe. Parents must do this! Look at the bed and where it is: make sure baby can’t fall into gaps between the bed and wall or other furniture. Keepbaby away from any pillows. Remove heavy bedding that might cover the baby. Think about the height of
your bed and whether you have a hard floor in case baby falls.
Studies of breastfeeding mothers and babies who
routinely bed-share show that they automatically sleep
close together, facing one another and waking at the
same time. Mothers place the baby on its back to
sleep, level with their breasts, on the mattress surface (away from pillows). The mother adopts a protective position in the bed, curled around the baby, with her arm above his head and her
knees bent under his feet. This protects the baby from cold, heat, bedding and bed-partners.
One study showed that mothers who did not breastfeed often placed their babies high in the bed, at parents’ face-height, positioned between, or on top of pillows. They did not consistently face the baby or adopt the “protective” sleep position. This suggests that bed-sharing may be less safe for non-breastfeeders, unless the above behaviour can be learned, which is unknown. A three-sided ‘bedside’, or ‘side-car’, crib which attaches to your bed may be a suitable option if you want to be close to your baby, but you have concerns about bed-sharing safety.
Before you bed-share, consider whether
you are happy it is safe for YOUR baby.

via ISIS PDF bed-sharing May 2012 FINAL – ISISPDFbed-sharingMay2012FINAL2.pdf.


2 thoughts on “ISIS PDF bed-sharing May 2012 FINAL – Up to date Info on Bed Sharing Safety

  1. One of my biggest pieces of advice for new moms is to consider co-sleeping. Be it kick the partner outta the bed or a nice bassinet right next to you, being near your brand new baby can be saving in both sleep and supply. I know it doesn’t work for all but I believe all should try if not for the fact that a baby is a separate room by themselves after being so close to mama for all that womb time doesn’t seem instinctual.

    • I agree! I can’t imagine having my baby in a different room from me, I would wake up at least five times a night alone just to make sure she was breathing. Plus breastfeeding is so much easier. I love co-sleeping!

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