A guide to development, sleep, feeding, play and safety at 4 months old. This is an approximate reference, not medical advice; for any health concern or emergency, contact your pediatrician or emergency services, and follow WHO, CDC or your local health authority guidance. All processing runs locally in your browser. Your data is not uploaded to any server. 100% Local
4 Months Old babies are usually working on several skills. Use this page as a general guide, because every baby develops at their own pace.
| Gross motor | Rolls from front to back |
|---|---|
| Fine motor | Reaches for and grabs toys |
| Language | Laughs and babbles |
| Social | Enjoys play and copies expressions |
| Sleep | 14-17 hours, with night waking |
| Feeding | Mostly breast milk or formula, watching for signs of readiness |
| Play | Reaching games, peekaboo and mirror play |
| Safety | Never leave baby alone on a high surface |
Data is approximate, for general reference.
Around this age, babies typically at this age babies are usually working on: rolls from front to back, reaches for and grabs toys, and laughs and babbles. These are approximate milestones, not deadlines.
Expect about 14-17 hours, with night waking. Sleep needs vary, and your pediatrician can advise.
Mostly breast milk or formula, watching for signs of readiness. Follow your pediatrician's advice on milk, solids and allergies.
Try reaching games, peekaboo and mirror play. Follow your baby's lead and stop if they are tired.