Do Bottle-Fed Babies Sleep Longer Than Breastfed Babies? Debunking the Myths

Holistic sleep consultant  based in London and author of gentle sleep methods book series and audiobooks

Iva Faulknerova

Certified Maternity Nurse and a Holistic Sleep Consultant

Learn more

March 27, 2022
Baby feeding formula milk from a bottle before sleep

DO BOTTLE FED BABIES SLEEP LONGER THEN BREASTFED BABIES?

Unlocking the Truth Behind Infant Sleep a and feed Patterns

You may have been advised by a sleep coach, maternity nurse, midwife or any other infant specialists to top up the bedtime breastfeed with formula or give a larger formula feed. Well, let me tell you, none of this advice is based on evidence!

There will always be someone who claims that one of these strategies was a miracle cure for their baby’s sleep, but in general, the large studies have not found that this will make a huge difference to the way your baby sleeps. Despite what older relatives may tell you, it is a myth that giving a larger feed before bed help babies sleep longer.

You will not meet a reputable Baby Sleep Consultant or find a baby sleep program that will advise you to feed your baby to sleep, which surely speaks volumes in itself.

This sounds sensible, though, doesn’t it? However, human digestion doesn’t quite work that way, and how quickly your infant will empty their stomach isn’t entirely dependent on how much is consumed in one go.

The fact is, babies can’t store up ‘fuel’ to keep themselves going for extra time, hence feeding them more will not make them sleep longer.

Some research has even shown that the opposite is true, and the larger the feed volume, the faster the stomach will empty.

A study published in the journal “Pediatric Research” in 2004 investigated the relationship between feed volume and gastric emptying time in infants. The study, titled “Effect of Feed Volume on Gastric Emptying in Infants and Young Children,” examined how varying feed volumes affected the rate at which infants’ stomachs emptied.

The researchers found that larger feed volumes led to faster gastric emptying in infants. This suggests that feeding a baby a larger volume before bedtime, in hopes of promoting longer sleep, may not be effective as the stomach will empty more quickly regardless of the amount consumed.

 

Reference:

American Society for Parenteral and Enteral Nutrition. (2004). Effect of feed volume on gastric emptying in infants and young children. Pediatric Research, 55(1), 192-194.

Baby peacefully drinking milk from a bottle. do babies sleeping longer with formula?

Do Babies Sleep Longer if Fed More?

Did you know that breastfed babies tend to consume a consistent volume of milk over a 24-hour period between the ages of 1 to 6 months? Contrary to common belief, increased feeding frequency in infants is often not solely driven by hunger but can be attributed to developmental changes.

Research suggests that if a baby starts feeding more frequently, they may likely consume less milk at each feeding session. This adjustment in feeding behaviour is influenced by factors such as changing milk composition, faster stomach emptying time, and an increased need for comfort.

While some may think that feeding a larger volume before bedtime helps babies sleep longer, studies have shown otherwise. In fact, giving extra milk on the assumption that a baby is extra hungry may not lead to extended sleep durations.

This study published in the journal “Pediatrics” in 2012 examined infant feeding patterns and hunger cues. Researchers found that breastfed infants regulate their milk intake over multiple feedings, adjusting the volume consumed at each session rather than increasing feeding frequency solely due to hunger.

Understanding these hunger cues and feeding patterns is crucial for caregivers. It enables them to respond appropriately to their infant’s needs without resorting to overfeeding or misinterpreting hunger signals, ultimately promoting better sleep for both the baby and the caregiver.

 

Reference:

Ventura, A. K., & Beauchamp, G. K. (2012). Infant Hunger and Satiety Cues During the First Months of Life: Developmental Changes and Clinical Implications. Pediatrics, 129(5), e1171–e1180.

Do Babies Sleep Longer After Cluster Feeding?

Ever wondered if those marathon feeding sessions, known as cluster feeding, might lead to babies sleeping longer? It’s a common question among parents.

While it might seem logical that a big feeding session would knock your baby out for an extended snooze, the reality isn’t always so straightforward. Research suggests that while cluster feeding might help satisfy your baby’s immediate hunger and lead to a bit of shut-eye afterwards, it doesn’t necessarily mean they’ll sleep longer overall.

A study published in the journal “Pediatrics” took a closer look at nighttime breastfeeding and how it relates to sleep patterns in babies. Surprisingly, the study found that while nighttime breastfeeding seemed to help babies settle into more consistent sleep patterns, the actual act of cluster feeding didn’t make a big difference in total sleep time.

So, what does this mean for tired parents? Well, it’s essential to recognise that every baby is different. While some might doze off into dreamland after a cluster-feeding session, others might still wake up frequently throughout the night.

Understanding your baby’s unique sleep cues and patterns can help you navigate those long nights more effectively. And remember, while cluster feeding might not guarantee a full night’s sleep, making sure your little one is fed, comfortable, and loved is what matters most.

In the end, while the idea of babies sleeping longer after cluster feeding sounds nice, it’s important to keep expectations realistic and focus on what works best for your family.

 

Reference:

Brown, A., Harries, V. “Nighttime breastfeeding behavior is associated with more sustained sleep patterns than other sleep-associated behaviors.” Pediatrics. 2017; 140 (Supplement 1): S40-S46. DOI: 10.1542/peds.2016-2598N

Will Babies Sleep Longer with Formula?

Many parents wonder if switching to formula feeding could get their babies sleeping longer stretches. While it’s a common question, the answer isn’t as straightforward as some might hope.

Research on this topic is mixed. While some studies suggest that formula-fed babies might sleep longer than breastfed babies, others show no significant difference in sleep duration between the two feeding methods.

One study published in the journal “Sleep Medicine Reviews” in 2018 reviewed existing research on infant sleep and feeding methods. The study found that while formula-fed babies tend to consume larger volumes of milk per feeding compared to breastfed babies, there was no consistent evidence to suggest that formula-fed babies sleep longer.

The reality is that sleep patterns in infants are influenced by a multitude of factors, including age, individual differences, and environmental conditions. While some babies might sleep longer after a bottle of formula, others might not experience any change in their sleep patterns.

Ultimately, the decision to switch to formula feeding should be based on what works best for both the baby and the family. Whether breastfeeding or formula feeding, ensuring that your baby is well-fed, comfortable, and loved is what truly matters.

In conclusion, while formula feeding might lead to longer sleep durations for some babies, it’s not a guarantee. Parents should focus on providing nurturing care and responding to their baby’s needs, regardless of the feeding method chosen.

 

Reference:

Sadeh, A., Mindell, J. A., Luedtke, K., & Wiegand, B. (2018). Sleep and sleep ecology in the first 3 years: a web-based study. Sleep Medicine Reviews, 41, 187–196. DOI: 10.1016/j.smrv.2018.02.002.

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Holistic sleep consultant based in London and author of gentle sleep methods book series and audiobooks

Iva Faulkner

Certified Pediatric Sleep Consultant and Maternity Nurse

As a mother of two, a maternity nurse, and a pediatric sleep consultant, I founded Sleepy Angels Consultancy, with a mission to offer parents a trusted source of guidance. Drawing on my experience as both a maternity nurse and a mother, I aim to empower parents with the knowledge and support they need to help their little ones sleep soundly. My passion lies in equipping families with the tools and confidence to thrive together, ensuring that everyone gets the rest they deserve.

Learn more about me

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