3-year-old milestones: what to expect

Many three-year-olds drop the nap and sleep 10 to 13 hours at night.

What's typical around now

short sentences; pedals a trike; starts to drop the nap.

Keep in mind

Milestones are ranges, not deadlines. Healthy babies reach them weeks apart.

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Every baby is different. These are typical ranges for healthy, full-term babies, not targets. The easiest way to know your baby's normal is to track a couple of weeks and look at the pattern.

Thungu is a baby-tracking bot, not medical advice. If you're worried about feeding, weight, sleep, or development, talk to your pediatrician.