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

What changes might you notice at 8 months?

Your baby may play with both hands while sitting, pass an object between hands, rake food into the palm or look when their name is called. These are behaviours commonly seen as 9 months approaches, not a checklist that every baby must complete at the start of month eight.

Follow progress over several weeks and use corrected age for a baby born early. Contact your GP or health visitor promptly if your baby loses a skill, begins using one side much less, seems unusually stiff or floppy, or responds less consistently to sound.

Should an 8-month-old be crawling?

No fixed deadline applies. The WHO window is 3.8-9.2 months for sitting without support and 5.2-13.5 months for hands-and-knees crawling; a small proportion of healthy babies in the study skipped that classic crawl. Bottom shuffling, belly movement or staying in one place for now may all prompt questions, but not crawling at eight months alone is not proof of delay.

Give your baby supervised floor space on a firm, safe surface. Current NHS trust guidance advises against baby walkers because of accident risk and because they can encourage toe-standing rather than useful floor movement. Discuss regression, marked asymmetry, unusual stiffness or floppiness with your GP or health visitor.

How should meals and textures change at 8 months?

WHO guidance gives 2-3 complementary meals a day for 6-8 months alongside breastfeeding, moving to 3-4 for 9-11 months. It is a broad framework, not a portion your baby must finish. Breast milk or infant formula remains important while meals and variety expand.

Many babies can now manage mashed, softly lumpy food and safe pieces they can grasp. Finger food still needs careful shape and preparation; whole grapes, raw carrot and similar choking hazards are not suitable. Agree food, texture and pace with the clinician who knows your baby. Swallowing difficulty, significant eczema, known allergy or an immediate reaction needs individual medical advice; do not retry a suspected food at home without it.

Why is my baby clingier or wary of strangers?

Your baby may cry when you leave, study a new person from your arms or search for a partly hidden toy. These behaviours can become more obvious near nine months, but there is no official day when object permanence suddenly arrives and causes separation anxiety.

Keep goodbyes short and consistent, allow time to warm up and avoid forcing a handover. Wanting you close is not bad behaviour. Note a new carer, nursery settling-in or travel alongside sleep and feeding records so the whole day makes sense.

Should an 8-month-old be on two naps?

For babies aged 4-12 months, 12-16 hours of total sleep in 24 hours including naps is a broad reference. NHS-linked guidance says two naps are common between 6 and 12 months, while other NHS material shows wider variation. Two naps can be useful, but they are not a compulsory eight-month schedule; official guidance does not prescribe exact wake windows for every baby. 'Eight-month sleep regression' is also not a clinical diagnosis with a fixed length.

Nerumi learns from your baby's own sleep history to calculate personal awake intervals and predict the next likely sleep. Those predictions update as the routine changes, making them more useful day to day than a universal timetable.

Is there an 8-month review or vaccination in the UK?

There is no fixed national review at exactly eight months. The next routine review is usually offered between 9 and 12 months by the health visiting team, with current England guidance placing the universal review within a broader 9-15 month window. Arrangements differ across the devolved nations and local services.

There is no routine vaccine assigned only to month eight. Eligibility and timing for seasonal or risk-based vaccines can create an appointment, and delayed doses follow an individual catch-up plan. Check your Red Book and local invitation rather than assuming the month is empty.

Mobility safety, growth and when to seek help

Babyproof from floor level before your baby crawls. Anchor furniture, fit stair gates and remove button batteries, magnets, cords, hot drinks and choking-size objects. Follow weight, length and head circumference over time on sex-specific WHO charts, not against one 'normal 8-month-old' figure.

Contact your GP or health visitor for loss of skills, clear one-sided movement, repeated feeding or swallowing difficulty, reduced response to sound or any other developmental concern. Call 999 for breathing difficulty, blue or grey colour, seizure, extreme difficulty waking, or swelling of the face or tongue with breathing problems after food.

Vaccinations

United Kingdom

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

Schedule: UK Health Security Agency · GB-UKHSA-2026-01 · reviewed 2026-08-09