4 months old: sleep, feeding & development
At 4 months old, a gentle rhythm is starting to appear. Here's what's typical for sleep, wake windows, feeding and development at this age — broad guides to follow alongside your baby's own cues.
An example day (every baby is different)
- 7:00amWake & first feed
- 8:15amNap 1
- 10:29amNap 2
- 12:52pmNap 3
- 3:23pmNap 4
- 6:03pmBedtime routine & bed
Feeding at 4 months old
| Stage | Amount |
|---|---|
| Milk feeds | 5–8 / day |
| Typical gap between feeds | 3–5h |
| SolidsMost babies start solids around 6 months | Not yet — milk is everything |
Development at 4 months old
What many babies are doing at 4 months old
- Cooing and 'talking' back
- Holding the head steady
- Pushing up on the forearms
- Following objects across the room
Read more for this age
Starting solids: signs of readiness
Around six months your baby starts getting ready for their first tastes — here's how to begin gently, safely, and with confidence.
First foods and iron
Around 6 months your baby's iron stores start to run low, so those first solids do an important job — here's how to make them count without any stress.
Milestones: 4–6 months
Between 4 and 6 months your baby starts rolling, reaching, babbling and sitting with a little help — and every baby gets there on their own timeline.
Creating a good sleep environment
A calm, dark, cool and safe room helps your baby drift off more easily — and you can set most of it up tonight.
See your own baby's rhythm at 4 months old
Log feeds, sleep and growth in seconds and Cocoon surfaces wake windows, feeding rhythm and WHO/CDC percentiles for your baby — free and offline-first.
Common questions
How much should a 4 months old sleep?
Around 14–16 hours in total across a day and night is typical for a 4 months old, usually including 4 naps. Sleep needs vary widely between babies — use this as a guide, not a target.
How long should a 4 months old be awake?
Wake windows of about 1h 15m – 1h 50m between sleeps are typical at 4 months old. The first window of the day is usually the shortest. Watch your baby's tired cues rather than the clock.
How often does a 4 months old feed?
About 5–8 milk feeds a day, roughly every 3–5h, is common at 4 months old, with milk providing all their nutrition. Feed responsively to hunger cues.
Typical ranges for general information, not medical advice. Every baby is different; if your baby was born early, use their corrected age. For concerns, talk with your doctor or child-health nurse.