No one knows exactly what causes SIDS, so there's no guaranteed way to prevent it. However, creating a safe sleep environment can help reduce your baby's risk of SIDS. On the other hand, we do know what causes accidental suffocation and strangulation in bed. This means parents can help prevent these accidents by following AAP guidance on safe sleep. A safe sleep environment lowers the risk of all sleep-related infant deaths. Here are some ways you can help create a safe sleep environment.