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Does breast milk make babies sleepy?

The Sleep-Inducing Qualities of Breast Milk
Breast milk is often hailed as the optimal source of nutrition for infants, but its benefits extend beyond mere sustenance. Recent research suggests that breast milk may play a significant role in promoting sleep in babies, thanks to its unique composition and the timing of its production.
Circadian Rhythms and Sleep-Wake Cycles
One of the key factors in how breast milk influences sleep is its alignment with the infant’s circadian rhythms. Breast milk’s composition changes throughout the day, with certain components becoming more pronounced at night. This variation helps reinforce the natural sleep-wake cycle in infants, making them more likely to sleep after nighttime feedings. The presence of specific hormones and nutrients in breast milk, particularly during evening feedings, has been linked to improved sleep quality for both the baby and the breastfeeding mother.
Melatonin and Sleep-Inducing Compounds
A notable component of breast milk is melatonin, a hormone that regulates sleep. Studies have shown that the levels of melatonin in breast milk are higher during the night, which may help signal to the baby that it is time to sleep. This “night milk” is thought to be particularly effective in promoting sleepiness in infants, as it contains not only melatonin but also other sleep-related compounds that can aid in calming the baby.
The Role of Nucleotides
Nucleotides, which are the building blocks of DNA, are also present in breast milk and have been implicated in sleep regulation. Their concentrations increase in the early weeks of breastfeeding, suggesting that they may contribute to the sleep-inducing properties of breast milk. This biochemical support could help infants settle down more easily after feedings, reinforcing a peaceful sleep environment.
Breastfeeding and Maternal Sleep
Interestingly, the benefits of breastfeeding extend to mothers as well. Research indicates that breastfeeding mothers tend to get more sleep compared to those who use formula or mixed feeding. This is attributed to the natural hormones released during breastfeeding, which promote relaxation and can help mothers feel more rested, even during nighttime feedings. The cyclical nature of breastfeeding, particularly at night, not only supports the baby’s sleep but also enhances the mother’s ability to rest.
Conclusion
In summary, breast milk does indeed have properties that can make babies sleepy. The interplay of melatonin, nucleotides, and the timing of feedings aligns with the infant’s natural sleep patterns, promoting better sleep for both the baby and the mother. As research continues to explore the intricate relationship between breast milk and sleep, it becomes increasingly clear that this natural substance is not just a source of nutrition but also a vital component in fostering healthy sleep habits in infants.

Does breast milk calm babies?

Sucking during breastfeeding also has a calming effect on the baby’s nervous system. Through consistent breastfeeding interactions, infants learn that their caregiver is a reliable source of comfort and support.

Is there something in breast milk that makes babies sleepy?

Yes. Breast milk pumped at night has more melatonin — the hormone of drowsiness — and higher levels of nucleotides thought to promote sleep. By contrast, breast milk pumped in the morning features higher concentration of cortisol, a stress hormone that makes babies more alert.

Does breastmilk make babies sleep more?

Breastfeeding pros for sleep

  • breastfed babies can fall asleep faster due to the presence of the sleep hormone, melatonin, in breastmilk
  • a breastfeeding mum passes on her immunity to her baby, so there’s less chance of sleep disturbances later on from illnesses etc.

Why do breastfeeding moms get more sleep?

In a US study, exclusively breastfeeding women averaged 30 min more nocturnal sleep than women who used formula at night, but measures of sleep fragmentation did not differ [25]. Lactation hormones such as prolactin help mothers adapt to the stresses of caring for an infant, including broken sleep [13, 26, 27].

Why do babies get so sleepy when breastfeeding?

Along with CCK, babies also fall asleep during feedings due to physical closeness with their caregiver. “The rhythmic motion of nursing or bottle-feeding can [also] be very soothing and help lull a baby to sleep,” says Bock. It mimics the sensations baby felt in the womb, she adds.

Is 10 minutes of breastfeeding enough?

Your baby’s nursing sessions are either very short or extremely long. Breastfeeding sessions that are consistently shorter than about 10 minutes during the first few months could mean that your baby isn’t getting enough milk.

Does 4am breast milk have melatonin?

Breast milk clearly exhibits a 24-hour pattern, with melatonin concentrations high during the evening and night (starting about 9pm and peaking between 2 and 3am) but are barely detectable in daytime milk. Infants are not born with an established circadian rhythm; it develops after three to four months.

Does breastfeeding at night make a baby sleepy?

But, guess what has plenty of melatonin in it? Your nighttime breastmilk! So, scientists actually think that melatonin-rich nighttime breastmilk helps babies develop their own circadian cycles and helps them eventually learn to sleep longer stretches at night.

When do babies no longer need night feeds?

between 2 – 4 months
According to the American Academy of Pediatrics [2], most formula-fed babies no longer need night feedings between 2 – 4 months of age.

Will my milk dry up if I only nurse at night?

breastfeeding at night can be important for keeping a mom’s long-term milk production steady and strong and may actually mean less pumping during the day for working moms?

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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