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Sudden Infant Death Syndrome (SIDS)

Key Points About SIDS

  • Sudden infant death syndrome (SIDS) is the sudden and unexplained death of an infant younger than age 1. It is most common between 2 and 4 months old.

  • Researchers don't know the exact causes of SIDS.

  • There is no way to tell which babies will die from SIDS.

  • Most babies who die of SIDS have 1 or more risk factors.

  • There are many possible risk factors. These include having the baby around cigarette smoke, placing the baby to sleep on a soft surface or  co-sleeping with parents or siblings.


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Frequently Asked Questions

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Meet the Providers Who Treat SIDS

Departments that Treat Sudden Infant Death Syndrome (SIDS)

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Cardiogenetics Program

We help families with known or suspected inherited heart diseases receive early detection and treatment. Learn more about our Cardiogenetics Program.