Question: how long do you swaddle a baby?
Answer: Guidelines To Stop Swaddling Your Baby The average age to stop swaddling baby is around 3 or 4 months old. Newborns are born with a startle reflex, called the Moro Reflex. Most babies don't outgrow it until 4 or 5 months of age. So be careful about stopping the swaddle too early.