Sleep problems in babies are among the biggest challenges parents face. A common suggestion is to give babies more milk or food, assuming that a fuller tummy will naturally lead to better sleep.
As sleep consultants, we rarely advise on nutritional concerns and always refer clients to registered dieticians when issues are suspected. After all, we are sleep experts—not feeding experts. However, with younger babies, we always consider feeding issues before addressing sleep.
When it comes to sleep and nutrition, it can often be a chicken-or-egg scenario: poor sleep can affect feeding, and poor feeding can affect sleep. Below is a list of warning signs we look for, as feeding issues can significantly impact sleep.
Newborns (0 – 3 months)
Newborns have tiny stomachs and need frequent feeds, including at night.
Sleep at this age is largely regulated by hunger, though factors like cramps, wind, or reflux can also interfere.
Tips:
Ensure your newborn is feeding effectively and taking full feeds. Poor feeding often leads to disrupted sleep.
During the day, try not to go longer than 3 hours without a feed.
If you notice feeding difficulties, consult a lactation specialist.
4 – 6 months
Exclusive breastfeeding is recommended until 6 months by both the World Health Organization and the American Academy of Paediatrics, which we fully support. Around 4–6 months, many babies show signs of readiness for solid foods, though some may be ready slightly earlier or later.
Tips:
Never start solids before 17 weeks or after 26 weeks in healthy, full-term babies.
Preterm babies require adjusted timelines—always consult your paediatrician.
Introduce protein around 6 months, particularly iron-rich foods, to prevent iron deficiency. Iron supports haemoglobin production and contributes to healthy, restful sleep.
6 – 8 months
This stage is about moving from introduction to exploration with solids. Milk remains the primary source of nutrients, with solids complementing—not replacing—feeds.
Tips:
Prioritize milk for nutrient needs, and offer solids alongside.
Maintain at least one nighttime feed initially, allowing your baby to naturally reduce it over time.
Offer a variety of foods, including iron-rich options, during the day to support growth and sleep.
9 – 12 months
By this age, some healthy, full-term babies may be ready to sleep through the night without milk. However, many will still need night feeds, especially breastfed babies.
Tips:
Gradually reduce nighttime feeds if appropriate.
Ensure daytime nutrition includes iron-rich and protein-rich foods to support sleep quality and overall health.
Toddlers (12 – 24 months)
After 12 months, solids become the primary source of nutrients. Nighttime milk feeds can interfere with daytime intake, potentially increasing the risk of iron deficiency and obesity.
Tips:
Focus on balanced meals during the day.
Limit or remove nighttime milk feeds once your toddler’s diet is well established.
Monitor growth and nutrition with guidance from your paediatrician or dietician as needed.
When to Seek Expert Help
Addressing sleep and nutrition together often leads to the best outcomes. If either or both issues persist after a week of consistent routines:
Consult a dietician specializing in infant or toddler feeding.
Work collaboratively with sleep consultants to ensure your child’s sleep and nutrition are on track.
Key Takeaways:
Feeding and sleep are closely connected at every stage.
Introduce solids and protein at the right developmental stage to support sleep and growth.
Milk remains essential until 12 months; solids complement rather than replace.
Nighttime milk for toddlers can hinder daytime nutrition and sleep.
Always consult specialists for persistent feeding or sleep concerns.
Often, sleep and nutrition need to be addressed together. In the end, there’s no one-size-fits-all answer when it comes to your baby’s sleep.
While a well-fed baby is certainly more likely to rest well, sleep is influenced by a combination of factors that go far beyond just a full tummy.
By understanding your child’s developmental stage, supporting appropriate feeding practices, and paying attention to both sleep and nutrition as a connected system, you can create a more balanced and restful routine.
And remember, if challenges persist, seeking support from the right professionals can make all the difference in helping both you and your little one get the rest you need.
Written by: Jolandi Becker (Managing Director at Good Night), spokesperson for BabyWombWorld
BabyWombWorld recognise that every family is different and should choose what works best for them. This article is intended for educational purposes only.