There is no food, drink, or supplement that is both safe and effective for helping a baby fall asleep or stay asleep longer. Most of the things parents commonly consider, from rice cereal to herbal teas to melatonin drops, either don’t work, aren’t safe for infants, or both. What actually helps babies sleep better comes down to environment, routine, and timing.
Why Babies Wake Up So Often
Newborns don’t produce their own melatonin, the hormone that regulates the sleep-wake cycle. That internal clock doesn’t start developing until around 9 weeks of age, which is also when sleep efficiency begins to improve. Before that point, babies simply aren’t biologically wired to sleep in long stretches, and no substance you give them will change that.
By about 3 to 4 months, most babies are producing enough melatonin to start consolidating nighttime sleep. This is when many parents notice their baby naturally begins sleeping longer. The process can’t be rushed with supplements or food.
Rice Cereal in the Bottle Doesn’t Work
One of the most persistent pieces of advice passed between parents is to add rice cereal to a baby’s bottle before bed to “fill them up” and help them sleep through the night. A randomized trial tested this directly, assigning 106 infants to start bedtime cereal either at 5 weeks or at 4 months. Researchers tracked sleep for months afterward and found no statistically significant difference between the groups. Babies who got cereal didn’t sleep any longer than babies who didn’t.
Beyond being ineffective, adding cereal to a bottle before a baby is developmentally ready for solids (typically around 6 months) increases the risk of choking and can interfere with the nutritional balance of breast milk or formula.
Melatonin Supplements Are Not Safe for Babies
Melatonin gummies and drops are widely available, which gives many parents the impression they’re harmless. They are not appropriate for infants. Babies don’t begin producing their own melatonin until around 3 months, and their bodies process it very differently than adults do. In preterm infants, melatonin can take 17 to 21 hours to clear the body, compared to about 40 minutes in adults. That means even a small dose lingers far longer than intended.
A review of pediatric melatonin use noted seven deaths among children aged 2 months to 3 years who had melatonin detected in toxicology analyses. While the full medical context of those cases wasn’t available, the finding underscores how little is known about safe dosing in very young children. Melatonin supplements are also unregulated, and independent testing has found that actual doses in products frequently differ from what’s listed on the label.
Antihistamines and Over-the-Counter Sedatives
Some parents consider giving babies a small dose of an antihistamine like diphenhydramine (the active ingredient in Benadryl) to encourage drowsiness. This is dangerous for infants. Rather than reliably causing sleepiness, antihistamines can produce the opposite effect in young children: irritability and disrupted sleep patterns. Breastfed babies can also be affected when a nursing parent takes diphenhydramine, since the drug passes into breast milk.
No over-the-counter medication is approved as a sleep aid for infants. Sedating a baby with medication carries real risks, including breathing problems, and should never be done without direct medical supervision.
Herbal Teas and Gripe Water
Chamomile tea is a common home remedy that parents give to fussy babies, sometimes to encourage sleep. The American Academy of Pediatrics recommends that babies receive only breast milk or formula for at least the first four to six months of life. Herbal teas displace the calories and nutrition babies need, and they carry their own risks.
Chamomile can trigger allergic reactions, particularly in babies with sensitivity to plants in the chrysanthemum family. More broadly, herbal preparations given to infants have been linked to seizures, infections, and liver damage. Even products with a long history of traditional use can be contaminated with heavy metals or bacteria. Gripe water, another popular choice, falls into the same category: it’s an herbal supplement without reliable safety data for infants.
Honey Is Dangerous Before Age One
Honey is sometimes suggested as a natural calming agent, but it should never be given to a child under 12 months old. Honey can contain spores of the bacteria that cause botulism, a severe and potentially fatal form of food poisoning. An infant’s immature digestive system can’t fight off these spores the way an older child’s can. This applies to honey in any form: mixed into food, water, formula, or applied to a pacifier.
Water Can Be Dangerous for Young Babies
Parents sometimes wonder about giving a small amount of water before bed. Babies under 6 months should not drink water at all. Breast milk is about 87% water and formula is about 85% water, so babies already get all the hydration they need. Extra water dilutes the sodium in a baby’s bloodstream, potentially causing a condition called hyponatremia. Symptoms can include seizures, coma, and permanent brain damage. After 6 months, small sips of water can be introduced alongside solid foods, but water is not a sleep tool at any age.
What Actually Helps Babies Sleep
Since there’s nothing safe to give a baby to make them sleep, the most effective strategies focus on environment and routine. These don’t produce instant results, but they work with a baby’s developing biology rather than against it.
White Noise
A sound machine can help babies fall asleep and stay asleep by masking household noise. The AAP recommends keeping the volume below 50 decibels, roughly the level of a quiet conversation, and placing the machine at least two feet from the crib. Louder volumes or closer placement can damage developing hearing over time.
Pacifiers
Offering a pacifier at sleep time has a strong safety benefit. A large case-control study found that pacifier use during sleep was associated with a greater than 90% reduction in the risk of sudden infant death syndrome. The protective effect appeared in every demographic group studied and seemed to be even stronger when other risk factors were present, such as sleeping on the stomach or side. You don’t need to replace the pacifier if it falls out after your baby is asleep.
Consistent Bedtime Routine
A short, predictable sequence of events before bed, such as a feeding, a diaper change, dimming the lights, and a few minutes of rocking or singing, helps signal to your baby that sleep is coming. The routine itself matters less than the consistency. Keeping the room dark and boring during nighttime feedings also reinforces the difference between day and night, which supports the development of a circadian rhythm once your baby’s brain is ready for it around 9 to 11 weeks.
Appropriate Sleep Environment
A firm, flat mattress with a fitted sheet and nothing else in the crib (no blankets, pillows, stuffed animals, or bumpers) is the safest sleep setup. Room temperature between 68 and 72°F keeps most babies comfortable without overheating. Sharing a room but not a bed for the first six months is the current recommendation for reducing sleep-related risks.
The hardest truth for exhausted parents is that young babies wake frequently because they’re supposed to. Their stomachs are small, their calorie needs are high, and their circadian systems are still under construction. The sleepless stretch is real, but it is also temporary, and the safest path through it is patience rather than a product.