8-Month-Old Baby Guide: Development, Crawling, Feeding & Sleep

What might an 8-month-old be learning?

Your baby may free both hands for play while sitting, move an object from one hand to the other, rake food toward the palm or look when you call their name. These appear on the CDC's list of skills most babies show by 9 months. They are not tests that must be passed on the first day of month eight.

Look for progress over time rather than a perfect date. Use corrected age if your baby was born more than three weeks early. Call your pediatrician promptly if your baby loses a skill, begins using one side much less than the other or responds less consistently to sound.

Is it normal if my 8-month-old is not crawling?

Yes. The WHO achievement window is 3.8-9.2 months for sitting without support and 5.2-13.5 months for hands-and-knees crawling. A small share of healthy babies in the WHO study never used that classic crawling pattern. Eight months is therefore not a crawling deadline.

Offer supervised floor time on a firm, safe surface and let your baby solve movement in their own way. The American Academy of Pediatrics advises against seated baby walkers: they do not teach walking and can cause serious injuries. Ask your pediatrician about loss of movement skills, marked asymmetry, unusual stiffness or floppiness.

How many meals should an 8-month-old eat?

WHO guidance uses 2-3 complementary meals a day for 6-8 months alongside breastfeeding as a population-level framework; it moves to 3-4 meals for 9-11 months. It does not prescribe one portion every baby must finish. Breast milk or infant formula remains important.

Around this age many babies can move toward mashed, softly lumpy foods and safe pieces they can grasp, as their skills allow. Finger food does not mean every handheld food is safe: whole grapes, raw carrot and other choking shapes must be avoided or prepared appropriately. Make the plan with your pediatrician. Swallowing trouble, significant eczema, known allergy or an immediate food reaction needs individual medical advice; do not retry a suspected allergen at home without it.

Why is my baby suddenly clingy with me or wary of strangers?

An 8-month-old may cry when you leave, study a new person from the safety of your arms or look for a partly hidden toy. These behaviors often become clearer as 9 months approaches, but there is no official day when object permanence suddenly appears and causes separation anxiety.

Keep goodbyes brief and predictable, give your baby time to warm up, and do not force a handoff. Needing you close is not manipulation. Notes about a new caregiver, travel or a busy day can help explain changes that also show up in sleep, feeding and diapers.

How much sleep does an 8-month-old need? Is regression real?

For babies 4-12 months old, 12-16 hours of total sleep in 24 hours, including naps, is a broad health reference. Two naps may be common around this age, but official guidance does not prescribe one exact nap count or a fixed 2.5-to-3.5-hour wake window for every baby. An '8-month sleep regression' is also not a diagnosis with a proven start date and duration.

Wake-ups can still increase while movement, separation responses, teething and daytime routines change. Nerumi uses your baby's own sleep history to calculate personal wake intervals and predict the most likely time for the next sleep. Predictions update with every new record, turning a changing rhythm into a practical plan rather than a generic chart.

Is there an 8-month checkup or vaccine in the US?

The Bright Futures schedule places routine well-child visits at 6 and 9 months, not at a separate fixed 8-month visit. The upcoming 9-month appointment is also an important point for developmental screening. Your pediatrician may schedule earlier follow-up for growth, feeding, development or another individual reason.

There is no fixed routine vaccine assigned only to month eight. Seasonal influenza vaccination is recommended annually from 6 months of age; children 6 months through 8 years with no or insufficient prior flu vaccination may need two doses at least four weeks apart, so a second dose can fall in this month. Confirm the schedule with your pediatrician.

Mobility safety, growth and reasons to call the pediatrician

Babyproof from floor level before crawling begins. Anchor furniture, block stairs and remove button batteries, magnets, cords, hot drinks and choking-size objects. Follow weight, length and head circumference over time on sex-specific WHO curves rather than comparing your baby with one 'ideal 8-month-old' number.

Call your pediatrician for loss of a skill, marked one-sided movement, persistent feeding or swallowing trouble, reduced response to sound or any other developmental concern. Call 911 for trouble breathing, blue or gray color, seizure, extreme difficulty waking, or facial or tongue swelling with breathing problems after food.

Vaccinations

United States

For babies born to mothers who tested negative for hepatitis B, vaccine timing is a shared decision with the clinician; if the birth dose is not given, the current schedule shows the first dose at 2 months. If the mother tested positive or her status is unknown, vaccination at birth and, when indicated, hepatitis B immune globulin are time-critical and follow a separate high-risk plan. Use the birth record and the baby's clinician-led plan.

This schedule is for reference. Which vaccine your child needs and when is your doctor's call.

Schedule: U.S. HHS / CDC · US-HHS-2026-01 · reviewed 2026-08-25