Your baby from 3 to 6 months

What tends to change

• Regular sleep cycles often start to appear around 4 months.[1]
• Around 4 months, many babies coo, turn toward your voice and push up onto their forearms on their tummy.[2]
• By around 6 months, many babies laugh, roll from tummy to back and lean on their hands to sit.[3]
• The AAP and CDC suggest starting foods other than breast milk or formula at about 6 months. Your pediatrician can help you decide when your baby is ready.[4][5]
• For every sleep, follow safe sleep guidance from your pediatrician and the AAP.[6][7]

What is useful to track

• Sleep. Down and up, every nap and every night, so the pattern is there when you want to see it. More: Sleep tracker.
• Feeds. Bottles and nursing, logged the same way as before. More: Feeding tracker.
• Weight. Log a weight when you have one, next to everything else.

Sharing the care

As routines appear, it matters that every caregiver follows the same one. A shared log shows the last nap to whoever is on.

Ask "What happened today?" and get the day back from the log.

Questions for the next checkup

Well-child visits are a good time to talk about growth, development, sleep and eating. It helps to bring your top questions, and anything your baby does or does not do that concerns you.[8][9]

• When might she be ready for solid foods, and what should we start with?
• How are her sleep and naps looking for her age?
• Is there anything new we should watch for?