The recall affects nearly 5 million of the sleepers manufactured since 2009 and were sold at many retailers nationwide.

Fisher Price has recall all models of their Rock 'n Play Sleepers, according to mystateline.com.

If you have one of these sleepers, here's what you need to do to contact Fisher Price about a refund.

Head to www.service.mattel.com and click on “Recalls & Safety Alerts” or call 866-812-6518 from 9 a.m. to 6 p.m. ET Monday through Friday for more information.