Follow CBSMIAMI.COM: Facebook | Twitter

MIAMI (CBSMiami) — Federal health officials have released sobering statistics about infant mortality.

READ MORE: Grandmother Hopes For Justice One Year After Murder Of Chassidy Saunders 

The CDC says about 3,500 babies die each year in the U.S. because of sleep-related causes.

This includes sudden infant death syndrome and accidental suffocation.

READ MORE: No Major Accidents After 'Wheels Up, Guns Down' Bicyclists Hit Miami Highways

The agency says about 20 percent of mothers reported placing their baby to sleep on their side or stomach.

About 40 percent reported using soft bedding in the baby’s sleep area.

Doctors recommend not putting your baby to sleep on their side or stomach nor using soft bedding in the baby’s sleep area.

MORE NEWS: Butler Gets Triple-Double, Heat Hold Off Raptors 104-99

Click here for sleep safety tips for your baby, according to the CDC.