Your baby’s sleep – SIDS and Kids Safe Sleeping


What is SIDS?

SIDS is short for ‘Sudden Infant Death Syndrome’ which used to be called ‘cot death’. It means the sudden, unexpected death of a baby from no known cause. SIDS is the most common cause of death in babies between one month and one year of age. Most babies who die of SIDSare under six months with more babies dying of SIDS in winter than in summer.

It is still not clear what causes SIDS. Some factors are thought to work together to reduce the risk of SIDS, but they may or may not help prevent any one SIDS death.

How can you reduce the risk of SIDS?


  • Put baby on the back to sleep, from birth

Sleeping on the back reduces the risk of SIDS. The chance of babies dying from SIDS is greater if they sleep on their tummies or sides. Put your baby on the back to sleep, from birth, unless your doctor or nurse tells you otherwise. Healthy babies placed to sleep on the back are less likely to choke on vomit than tummy sleeping infants.

Tummy play is safe and good for babies when they are awake and an adult is present. But remember not to put baby on the tummy to sleep.

Baby-sitters and others who care for your baby may not know that tummy or side sleeping increases the risk ofSIDS. Explain this to them before you leave your baby in their care.

Older babies in the cot can turn over and move around the cot. Put them on the back but let them find their own sleeping position. The risk of SIDS in babies over six months is extremely low.

Sleep baby with face uncovered

Be careful to ensure your baby’s face and head stay uncovered during sleep as this decreases the risk of SIDS.

A good way to do this is to put baby’s feet at the bottom of the cot, so that baby can’t slip down under the blankets. You might decide not to use blankets at all and instead, use a safe baby sleeping bag: one with fitted neck and arm holes.

When baby is put to sleep, check that:

  • Cot bedding is not loose
  • There are no duvets, pillows, or cot bumpers in the cot.
  • Use a firm, clean mattress that fits snugly in the cot.

Taking baby into an adult bed may be unsafe if baby:

  • Gets caught under adult bedding or pillows
  • Is trapped between the wall and the bed
  • Falls out of bed
  • Is rolled on by someone who sleeps very deeply or who is affected by drugs or alcohol.

Cigarette smoke is bad for babies

Cigarette smoke harms babies before birth and after. Parents who smoke during pregnancy and after the baby is born increase the risk of SIDS for their baby. In fact, if mother smokes, the risk of SIDS doubles, and if father smokes too, the risk doubles again.

There is an increased risk of SIDS if parents are smokers, even if they smoke outside, away from the baby. If mothers who smoke bed share with their babies; the risk of SIDS is increased. The reasons for this are not clear. However, we do know that being a non-smoker or smoking less will reduce the risk for your baby.

Try not to let anyone smoke near your baby – not in the house, the car or anywhere else your baby spends time.


Ensure Baby’s sleeping space is safe

Safe Cot / Mattress

Is the cot mattress the right size for the cot, and is it firm and clean?

A toddler or baby can get stuck in gaps between the mattress and the cot sides. This is especially dangerous if their face is trapped and covered, or their neck is restricted in any way. Make sure there is no more than a 25mm (1inch) gap between the mattress and the cot sides and ends.

  • Remove plastic packaging from the mattress.
  • Always make sure the waterproof mattress protector is strong and a tight fit.
  • A pillow or cushion is not a safe mattress.
  • They are soft and may cover baby’s face.

Safe Bedding

Remove pillows, quilts, doonas, duvets and lambskins from the cot

  • Soft and puffy bedding in the cot is unnecessary and may cover your baby’s face and make breathing difficult.
  • If you firmly wrap or swaddle your baby, it is safer not to cover baby’s head.

A Safe Place to Sleep

The following are things to look out for and avoid where your toddler or baby sleeps – both during the night and for any daytime naps.

Remember to look for these things in your own home and anywhere your child is cared for – including day care, childcare centres and the homes of family and friends.

1. An unsupervised adult bed may be unsafe for babies or toddlers if they:

  • Get caught under adult bedding or pillows.
  • Get trapped between the wall and the bed.
  • Fall out of bed.
  • Are rolled on by someone who sleeps very deeply or who is affected by drugs or alcohol. The risk of accident is increased if you leave your baby or toddler alone on an adult bed or bunk bed.

2. Soft sleeping places where a toddler’s or baby’s face may get covered:

  • If you fall asleep with the baby while on a couch or sofa, there is a very high risk of a sleeping accident.
  • Babies don’t need pillows. Pillows or cushions are too soft and can cover baby’s face.

 3. Dangling cords or string

  • Keep the cot away from any cords hanging from blinds, curtains or electrical appliances because they could get caught around baby’s neck.
  • Keep mobiles out of the reach of curious little hands and mouths.

 4. Heaters and electrical appliances

  • Keep heaters or any electrical appliances well away from the cot to avoid the risk of overheating, burns and electrocution.

Six ways to sleep baby safely and reduce the risk of sudden unexpected death in infancy:

  1. Sleep baby on the back from birth, not on the tummy or side.
  2. Sleep baby with head and face uncovered.
  3. Keep baby smoke free before birth and after.
  4. Provide a safe sleeping environment night and day.
  5. Sleep baby in their own safe sleeping place in your room (or in their room provided there’s an adult to look after them) for the first six to twelve months.
  6. Breastfeed baby if you can.



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