1. How long should tummy time be for a 4-month-old? By the four-month mark, babies are strong enough to be able to tolerate tummy time for 10-15 minutes about three times a day. Premature babies ...

You should aim for about 20 minutes per day by the time your baby gets to 6 months. And there are all sorts of things you can do during tummy time that help to keep baby occupied. Image caption ...