Research shows that several factors put babies at higher risk for SIDS and other sleep-related causes of infant death.
Babies who usually sleep on their backs but who are then placed to sleep on their stomachs, such as for a nap, are at very high risk for SIDS.
Babies are at higher risk for SIDS if they:
- Sleep on their stomachs
- Sleep on soft surfaces, such as an adult mattress, couch, or chair or under soft coverings
- Sleep on or under soft or loose bedding
- Get too hot during sleep
- Are exposed to cigarette smoke in the womb or in their environment, such as at home, in the car, in the bedroom, or other areas
- Sleep in an adult bed with parents, other children, or pets; this situation is especially dangerous if:
- The adult smokes, has recently had alcohol, or is tired.
- The baby is covered by a blanket or quilt.
- The baby sleeps with more than one bed-sharer.
- The baby is younger than 11 to 14 weeks of age.