Hence, their 3-month-old baby developmental milestones should be monitored ... and playing with simple toys. The development ...

Most 3-month-old babies take a few naps of about 1 1/2 to 2 hours each day. Third Month Baby Milestones: The Senses Your 3-month-old’s hearing and vision are improving.

Around 3 months old, babies begin consolidating their sporadic, dozing-on-your-shoulder sleep habits into actual naps. You may even be able to initiate a loose bedtime (and maybe, once in a while, ...