POOJA KOTHARIMom of a 8 yr 5 m old boy5 months agoA. A 4-month-old baby should not sleep on their stomach for a long time, especially unsupervised, because it increases the risk of Sudden Infant Death Syndrome (SIDS).
Safe Sleep Guidelines for a 4-Month-Old Baby: Always place baby on their back to sleep (for naps and at night). Use a firm mattress with a fitted sheet—no pillows, soft toys, or blankets. Tummy time is important but should be done only when the baby is awake and under supervision. When is Stomach Sleeping Safe?
Once your baby can roll over both ways (back to tummy and tummy to back) consistently (usually around 5–6 months), it's generally considered safe to let them find their own sleeping position, including sleeping on the tummy.
But at 4 months, it’s best to gently turn them back to their back if they roll during sleep.
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