One of the most heart-stopping moments for a new parent is rolling over in the middle of the night to find their little one snoozing soundly on their tummy. The instinct to immediately flip them back onto their back is strong, but parents often wonder: is this normal?

General wisdom suggests that once your baby is mobile enough to roll over on their own—typically between 4 to 7 months—it is generally considered safe to let them choose their preferred sleep position. If they have the core strength to roll from back to belly, they possess the strength to move their head to ensure their airway remains clear.

However, it is vital to keep your baby’s sleep environment safe regardless of their favorite position. Always ensure the crib is free of loose blankets, pillows, or stuffed animals. A firm, flat mattress is the best way to support them as they begin to explore different sleep postures. If your baby is still very small and cannot roll independently, always place them on their back to sleep. When in doubt or if you have specific concerns about your baby's development, consult your pediatrician for guidance tailored to your child's health.