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Melatonin for Babies
29 hours of research 4 minute read
" Melatonin plays a significant role in regulating sleep due to its effect on the circadian rhythm. "
While melatonin was previously used exclusively by the adult population, manufacturers have now started producing melatonin in a form that babies can also consume. There are several reasons for recommending melatonin to neonates, which will be discussed further in this article.
What is Melatonin?
Melatonin is a commonly prescribed remedy for different forms of sleep problems. However, several factors must be considered before recommending melatonin, particularly to the pediatric population. These may include the type of sleep disorders, the length of melatonin therapy required, the age of the individual, and their health status. (1) (2)
This hormone is naturally produced in the pineal gland and is associated with the regulation of the sleep-wake cycle of an individual. (3) Its secretion is triggered by the detection of darkness by the sensors in the eye, which sends signals to the hypothalamus. The stimulation of the hypothalamus then leads to melatonin secretion from the Pineal gland. However, the role of melatonin n the body is not only limited to the maintenance of the sleep-wake cycle but is also involved with the sexual maturation and secretion of growth hormone in an individual. (4)
An individual usually secretes between 5 and 25mg of melatonin every night. (5) The exact role of melatonin in the sexual development of an individual is still under investigation by experts, and further research is required to understand the mechanism. (6)
While melatonin is produced in the body naturally, individuals may also be able to consume it externally in the form of synthetically prepared compounds. There have been concerns about the purity of the melatonin products available in the market and the percentage of contaminants that may be contained in them. These may include serotonin and tryptophan compounds. This is a source of concern because tryptophan-containing products may lead to syndrome-like Eosinophilia-myalgia syndrome, which may be a source of morbidity and mortality. This is why it is essential to consume melatonin products from a well-reputed brand or after the prescription of a health professional. Melatonin supplements are commonly used in many countries, most of which are FDA-approved. (7) (8)
Role of Melatonin in Baby Milk
As mentioned previously, melatonin plays a significant role in regulating sleep due to its effect on the circadian rhythm. This is present naturally in the breast milk of a lactating mother, in which higher levels are seen during the night and low levels during the day. (9)
Hence, the rising and lowering levels of melatonin in breast milk may help the lactating infant know about the time of the day it is and allow them to set their sleep-wake cycle accordingly. This is until they can set up their circadian rhythm. However, to allow the milk to set their sleep-wake cycle, the milk during the night should be given in complete darkness. This is because the bright settings and lighted rooms can lower the melatonin production in the breast milk, which would mean a lower melatonin level in the baby at night. This would cause them to stay awake at night and feel tired and irritable the next day. If the milk is being obtained from a donor or a milk bank, it is important to ask them if the milk was obtained during the daytime or nighttime. This is due to the different melatonin levels found during the day and night. It is ideal for feeding the baby at night with milk obtained during the night, while the milk obtained during the day should be given to the baby during the day to stay active.
Recent developments in milk formulas for neonates have also introduced formulas fortified with melatonin. For most of these formulas, the milk designed for daytime is different in composition compared to milk designed for nighttime. As mentioned earlier, the major difference between these two formulas would be the concentration of melatonin. These milk formulas may either contain pure Melatoninc, analogs of melatonin, or even its precursors, which can later be converted into melatonin in the baby’s body.
There has been an increasing awareness and interest in milk formulas containing melatonin globally. This has also led to a number of studies being conducted on its effectiveness. In one such study conducted as a double-blind study, 30 infants were included as study participants. The study was conducted over a period of three weeks, and the infants were aged between 4 weeks and 20 weeks. As reported by their parents, the major problem experienced by the infants was difficulty in sleeping. These babies were given milk during the day that contained low levels of tryptophan, which is the major precursor of Metaonin. The level of tryptophan included in the day milk was 1.5 g per 100 grams of protein.
On the other hand, the milk-fed to the babies during the night contained higher levels of tryptophan to allow a higher melatonin percentage in the babies during the night. The concentration of tryptophan included in the night milk was nearly 3.4 grams per 100 grams of protein in the milk. The study results showed that when neonates consistently received day and night milk throughout the study, they significantly improved their sleep patterns. Not only was the total sleep quality improved, but improvements were also seen in sleep efficiency, sleep latency, and nocturnal awakening. (10)
Other Benefits of Melatonin for Babies
While regulation of sleep is the major benefit of adding melatonin to the baby formula, studies have also found this to be associated with other benefits. These include protecting infants from oxidative damage, sepsis, and respiratory distress.
Newborn babies or those born before their time usually have lower protection against the damage caused by oxidative stress making them more susceptible to free radical damage. Melatonin has the ability to act as an antioxidant in the body, which allows it to remove the free radicals and protect the baby against oxidative stresses and associated damage. The reduction of oxidative stresses may also benefit babies with asphyxia, sepsis, and respiratory distress. (11)
The role of melatonin in babies with asphyxia was further investigated in a study conducted on 20 infants who had been diagnosed with perinatal asphyxia. The study results showed that the infants who had been given 80 mg of melatonin in 8 doses had significant improvement in their health status. This was due to a reduction in the nitrite and malondialdehyde levels calculated at 12 and 24 hours. While out of the ten infants who were not given melatonin, three died of asphyxiation. (12)
The effectiveness of Metatonin for Sepsis was also investigated in several studies. One such study was conducted as a randomized clinical trial on 20 newborns diagnosed with sepsis. These newborns were divided into two groups on the basis of the interventions they were going to receive. 10 infants received 20 mg melatonin, which was divided into two doses of 10 mg each. The results showed that the melatonin given to the septic children was able to save their lives, as none of the babies died. This was suggested because of this infant’s lower levels of oxidative stress as judged by the levels of lipid peroxidation products. On the other hand, the group not given melatonin encountered three deaths. (13)
Another benefit of melatonin as a powerful antioxidant for the body is its ability to manage respiratory distress syndrome in newborns. The effectiveness of melatonin for respiratory distress syndrome was investigated in a randomized study, which included a total of 74 newborns. These newborns were diagnosed with grade 3 and 4 respiratory distress syndrome. As an intervention, they were given melatonin divided into ten doses. However, these were only given to 40 of the newborns, while the remaining 34 were given a form of placebo. The group that was given melatonin was observed to have significant improvement in their symptoms compared to the group on placebo. (14)
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Melatonin for Babies
Melatonin is a natural chemical produced in the body known for its sleep modulation, analgesia, and antioxidation properties. Several studies have investigated these therapeutic properties, which have found them to be highly effective - particularly for the pediatric population. Over the past few years, as the awareness of the therapeutic potential of melatonin has increased, brands have also started adding this to their milk formulas. There may be different forms of milk formulas specially designed for the day and night. The major difference between them is the concentration of melatonin. These changing melatonin levels available to the baby during the day and night will help set up the sleep-wake cycle until the body can set up its circadian system. However, besides assisting the babies with their sleep cycle, melatonin may also prevent oxidative stresses and protect them from conditions like sepsis and respiratory distress syndrome.
For parents seeking melatonin for babies 6 months or melatonin for babies under 1 year old, many consider specialized options such as liquid melatonin for babies or melatonin drops for babies. These formulations cater to the specific needs of infants, ensuring a safe and appropriate dosage for their age group. Always consult with a healthcare professional before introducing any new supplements to your baby's routine to ensure the best care for their well-being.
Most Popular Formula For Babies That Don't Sleep
Medical note: The AAP (American Academy of Pediatrics) does not recommend melatonin supplements for babies under 2 years old. Melatonin is not FDA-regulated as a drug, and dosing for infants is not established. The information below covers natural melatonin (produced by the body and present in breast milk) and formula ingredients that support sleep, not melatonin supplements. Always consult your pediatrician before giving your baby any supplement.
Natural Melatonin vs Supplements: Key Difference
Babies produce their own melatonin starting around 3-4 months of age as their circadian rhythm develops. Before that, newborns have very little melatonin production, which is one reason their sleep is so fragmented. Breast milk naturally contains melatonin, with higher levels in milk produced at night - this is one reason some lactation experts recommend feeding night-expressed breast milk at night.
Baby formula does not contain melatonin directly. However, some formulas contain tryptophan (an amino acid that the body converts to melatonin) and other ingredients that indirectly support sleep regulation. The key is choosing a formula that promotes satiety and digestive comfort, which has a bigger real-world impact on sleep than any single ingredient.
Sleep-Friendly Formulas: What Actually Helps
No formula will "make your baby sleep through the night" - that is a developmental milestone, not a nutritional one. But the right formula can reduce digestive discomfort (gas, reflux, constipation) that disrupts sleep:
| Feature | HiPP Dutch | Holle Bio | Kendamil | HiPP Comfort |
|---|---|---|---|---|
| Why it helps sleep | Probiotics reduce gas/colic | Simplest ingredients, fewest reactions | Whole milk - more satiating | Designed for colic/gas relief |
| Probiotics | L. fermentum | None | None | L. fermentum |
| Starch (thicker = fuller) | None | None | None | Contains (thickened) |
| Hydrolyzed protein | No | No | No | Yes (easier digestion) |
| Best for | General sleep support | Minimal-ingredient approach | Babies who wake hungry | Colic-related sleep issues |
| Price | $44.45 | $24.12 | $50.15 | $34.00 |
If your baby wakes frequently from gas or colic: HiPP Comfort ($34.00) uses hydrolyzed protein + reduced lactose + beta-palmitate specifically to reduce gas, colic, and constipation. Many parents report longer sleep stretches after switching. For reflux-related sleep disruption: HiPP Anti-Reflux ($34.00).
Baby Sleep by Age: What's Normal
0-3 Months
14-17 hours total, no circadian rhythm
Waking every 2-3 hours is biologically normal. Melatonin production is minimal. No amount of formula will change this. Focus on responsive feeding and safe sleep environment. Night feeds are essential for growth.
3-6 Months
12-16 hours total, circadian developing
Melatonin production begins (~3-4 months). Baby starts distinguishing day from night. Longer night stretches emerge (4-6 hours). A filling formula like Kendamil (whole milk, more satiating) can help extend stretches.
6-12 Months
11-14 hours total, 2 naps
Most babies can sleep 6-8 hour stretches. If still waking frequently, check: room temperature (68-72F), last feed timing, solid food intake. A Stage 2 formula with more iron/calcium supports longer sleep through satiety.
Melatonin and Baby Sleep FAQ
Is melatonin safe for babies?
Melatonin supplements are not recommended for babies under 2. The AAP has not established safe dosing for infants. Melatonin supplements are not FDA-regulated, so purity and dosage can vary between brands. Your baby's body begins producing its own melatonin around 3-4 months. If your baby has persistent sleep issues, talk to your pediatrician before trying any supplement.
Does breast milk contain melatonin?
Yes. Breast milk naturally contains melatonin, with levels that vary throughout the day - higher at night, lower during the day. This is called circadian variation. Some lactation experts recommend labeling pumped milk with the time it was expressed and feeding night-expressed milk at night to preserve this natural rhythm. Formula does not contain melatonin, but some formulas contain tryptophan (a melatonin precursor).
Can formula help my baby sleep longer?
No formula will make a newborn sleep through the night - that's a developmental milestone. However, formula can help indirectly: (1) Higher casein content in some formulas creates a fuller feeling that may extend sleep. (2) Reducing digestive discomfort (gas, colic, reflux) with specialty formulas like HiPP Comfort can reduce night waking. (3) Thicker formulas (like Stage 2 with starch) keep older babies full longer.
What is tryptophan and which formulas have it?
Tryptophan is an essential amino acid that the body converts to serotonin, then melatonin. All infant formulas contain tryptophan as part of their whey and casein protein. The amount varies by protein source: goat milk and breast milk have slightly different tryptophan profiles than standard cow milk. There is no "high tryptophan" formula marketed for sleep - the differences between formulas are minimal.
My 4-month-old suddenly stopped sleeping - is this normal?
Yes - this is the 4-month sleep regression, one of the most common and challenging. It coincides with your baby's circadian rhythm developing (ironically, when melatonin production begins). Sleep patterns permanently change from newborn-style to adult-style sleep cycles. This is not a formula issue. It typically lasts 2-6 weeks. Maintain consistent bedtime routines and consider gentle sleep training methods.
Does formula cause more gas at night?
Not necessarily - but how you prepare and feed formula matters. Air bubbles in shaken bottles cause gas. Tips: (1) stir formula instead of shaking, (2) use anti-colic bottles (Dr. Brown's, MAM), (3) pace bottle feeding, (4) burp mid-feed. If gas persists regardless of technique, try HiPP Comfort (reduced lactose, hydrolyzed protein) or goat milk formula (softer curds, easier digestion).
Is there a "night formula" for babies?
In Europe, some brands sell "Gute Nacht" (good night) formulas with added cereals for babies 6+ months. These are thicker and keep babies full longer. The closest EU formula to this concept available at OLS is HiPP German Stage 2 which contains starch for thicker consistency. For babies under 6 months, there is no recommended "night formula" - use the same Stage 1 formula for all feeds.
When should I talk to my pediatrician about baby sleep?
Consult your pediatrician if: baby snores loudly or gasps during sleep (possible sleep apnea), sleep doesn't improve after 6 months despite good sleep hygiene, baby seems excessively sleepy during the day, or you're considering any sleep supplement. Never give melatonin supplements without medical guidance - even "baby melatonin" products are unregulated and potentially unsafe for infants.
Organic Life Start is committed to providing accurate, reliable, and trustworthy information to parents and caregivers. We carefully choose credible sources and follow a meticulous fact-checking process to uphold the highest standards in infant nutrition and parenting advice. To learn more about our dedication to accuracy, please explore our editorial guidelines.
Link To Sources
- https://jppt.kglmeridian.com/view/journals/jppt/26/1/article-p4.xml
- https://www.bmj.com/content/332/7538/385
- https://www.sciencedirect.com/science/article/abs/pii/S0731708500002594?via%3Dihub
- https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0000721
- https://www.dovepress.com/could-long-term-administration-of-melatonin-to-prepubertal-children-af-peer-reviewed-fulltext-article-NSS
- https://ebm.bmj.com/content/21/2/79
- https://www.nature.com/articles/pr2001258
- https://www.thieme-connect.de/products/ejournals/abstract/10.1055/s-2004-828610
23 comments
Researched & Written
By: Lyn
I am a happy and sweet mom of three blessings from God. Organic Life Start customer service since 2022.
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Aliza -
As new parents, we were curious about whether melatonin was safe for babies after seeing it mentioned online for sleep problems. After learning more and speaking with our pediatrician, we discovered that melatonin is generally not recommended for healthy infants unless it is specifically prescribed and supervised by a healthcare professional. Instead, we focused on creating a consistent bedtime routine, maintaining a comfortable sleep environment, and following age-appropriate sleep habits to help our baby settle naturally. That experience taught us that it is always best to consult our pediatrician before giving our baby any sleep aid or supplement.
Alexis Robert -
I’d love a bit more detail on how melatonin in baby milk formulas is actually used in a safe and controlled way. It sounds helpful for sleep support, but I’m still unsure how it affects a baby’s natural sleep cycle long term. Could you also explain how parents can tell if a day and night formula is really needed or just optional?
Jane -
Honestly didn’t expect how much overtiredness affects sleep. What helped most for us was a tighter bedtime routine instead of trying supplements or quick fixes.