
Newborns can be noisy sleepers, and it's not uncommon for them to make a range of sounds, including moaning, while sleeping. In fact, it would be unusual if they didn't make some noise while sleeping. Newborns have short sleep cycles, so they're constantly transitioning between sleep stages, and they experience more REM sleep, which is associated with dreaming and irregular breathing. They're also still developing their respiratory and digestive systems, so they might make noises due to congestion, acid reflux, or passing gas. While most sleep noises are normal and harmless, there are some sounds that may indicate a problem, such as rapid breathing or high-pitched grunting, which could be a sign of respiratory distress or a more serious condition like meningitis. If you're ever concerned about your newborn's breathing or overall well-being, don't hesitate to consult a healthcare professional.
| Characteristics | Values |
|---|---|
| Normal sleep noises | Moaning, grunting, snoring, hiccuping, gurgling, cooing, whimpering, sighing, crying, snorting, wheezing, whistling, rattling, coughing, giggling, lip-smacking, feeding noises, burping, gas, tummy rumbling, and more |
| Reasons for sleep noises | Nasal breathing, immature digestive system, short sleep cycles, high percentage of REM sleep, narrow airways, congestion, acid reflux, temperature, learning to self-soothe |
| When to seek medical advice | If you have any concerns about your child's sleep health, breathing, or overall well-being; if you notice labored or rapid breathing; if your baby is older and moaning while teething |
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What You'll Learn

Moaning during sleep is common in newborns
Newborns have short sleep cycles, constantly transitioning between sleep stages and spending about half of their sleep time in REM sleep, which is associated with dreaming and irregular breathing. This is why you might hear moaning during the transition between different stages of sleep. These disruptions are normal and even necessary for your baby to learn how to self-soothe and settle themselves back to sleep.
While most baby sleep noises are harmless, there are some instances where you should seek medical advice. For example, high-pitched grunting and constant moaning could indicate meningitis or, in some cases, heart failure. Additionally, snoring is typically not considered normal and could suggest a respiratory issue or allergies. If you have any concerns about your baby's breathing or overall well-being, always contact your healthcare provider.
It's important to remember that, while these noises are common and usually benign, they can be stressful and disruptive for new parents. Creating a soothing sleep environment, ensuring your baby is well-hydrated, and establishing a bedtime routine can all help promote better sleep for your newborn.
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It's usually nothing to worry about
It is perfectly normal for newborns to make a lot of noise in their sleep. They are noisy sleepers at any age, but especially so when they are newborns. The range of sounds can be surprising and alarming for parents, but they are usually nothing to worry about.
Newborns have short sleep cycles, so they are constantly drifting in and out of sleep. They also spend a lot of time in REM sleep, which is a lighter sleep state associated with dreaming. Their brains are more active during REM sleep, so they might be noisier. They are also still learning to regulate their respiratory system and they have narrow airways, so you might hear irregular breathing.
Babies also make noises in their sleep due to developmental and physical factors. They are nasal obligate breathers, so they breathe through their noses, and their tiny nasal passages get congested easily. Their digestive systems are also developing, so they might make noise if they are hungry, passing gas, or having a bowel movement.
Most baby sleep noises should stop entirely by the end of the first year, but some children will still be naturally louder during their sleep.
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Babies make lots of noise while sleeping
It's common for babies to make lots of noise in their sleep. Newborns and infants tend to be noisy sleepers, and it can be surprising how much noise they make while sleeping peacefully. While the range of sounds can be alarming for parents, they are usually not a cause for concern. However, it's always best to consult a doctor if you have any worries.
Babies make noises in their sleep due to several developmental and physical factors:
- Being nasal obligate breathers: Newborns breathe through their noses, and their tiny nasal passages can get congested easily.
- Immature digestive systems: Babies' digestive systems are still developing, and they are learning to regulate their hunger. They may feel hungry at night, which can trigger extra movement and weird noises.
- Short sleep cycles: Babies have short sleep cycles and are constantly transitioning between stages of sleep. They spend a lot more time in REM sleep, which is associated with dreaming and a more active brain.
The range of infant sleep sounds can include:
- Grunting: This is a very common sound, often due to the baby's digestive system getting used to processing milk.
- Moaning: Moaning is more common in newborns and can be a way for them to self-soothe and get back into a deeper sleep.
- Snoring: While snoring is typically not a concern, the American Academy of Pediatrics (AAP) recommends seeking medical advice as it could indicate a respiratory issue.
- Gurgling: This is often due to the baby's developing digestive system.
- Hiccups: Hiccups can be caused by reflux or the baby's digestive system.
- Crying: Babies may cry out as they transition between sleep cycles.
- Irregular breathing: Babies' lungs are still developing, and irregular breathing is normal during this stage.
When to Seek Help
While most baby sleep noises are harmless, there are some instances where you should seek medical advice:
- High-pitched grunting and constant moaning: These could be symptoms of meningitis or heart failure.
- Labored or rapid breathing: Look out for flared nostrils, pulling muscles around the neck, or moaning/grunting at the end of a breath. This could indicate respiratory distress.
- Other concerns: If you have any questions or concerns about your baby's breathing or overall well-being, always contact your baby's healthcare provider.
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It's often due to developmental and physical factors
It's perfectly normal for newborns to make noises while sleeping, and it's usually nothing to worry about. However, it can be alarming for new parents, especially when the noises are loud or unusual.
Babies make noises in their sleep due to several developmental and physical factors:
Developmental factors
- Newborns spend about 50% of their sleep time in REM sleep, a lighter sleep state associated with dreaming and irregular breathing. This is significantly higher than adults, who only spend about 15% of their sleep time in REM sleep.
- Babies experience more vivid dreams during REM sleep, which may explain why they are noisier during this stage.
- Babies are still learning to regulate their breathing and digestive systems, which can lead to irregular breathing patterns and noises such as grunting, gurgling, and moaning.
- Newborns are "nasal obligate breathers", meaning they breathe through their noses. Their tiny nasal passages can get congested easily, leading to louder breathing noises.
- Newborns have short sleep cycles, constantly transitioning between stages of sleep and wakefulness. This can result in them making noises as they fall asleep and wake up multiple times throughout the night.
Physical factors
- Newborns' lungs and digestive systems are still developing, leading to occasional "misfires" or "weird sounds".
- Their tiny airways can become congested, making their breathing more audible and pronounced.
- Newborns may be trying to pass gas or waste, struggling with acid reflux, dealing with congestion, or feeling too hot. These physical discomforts can contribute to the noises they make while sleeping.
- Babies may also be hungry at night, triggering extra movement and noises. Their stomachs are tiny, so they digest food quickly and are almost constantly hungry, especially in the first few months.
While most baby sleep noises are normal and harmless, it's important to be vigilant and seek medical advice if you have any concerns or breathing concerns.
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Consult a doctor if you have any concerns
Moaning while sleeping is common in newborns and is usually not a cause for concern. Newborns go through frequent sleep transitions, and moaning can occur during the transition between different stages of sleep. Their nasal passages also get congested easily, and they are still developing the ability to regulate their breathing and digestive systems, which can lead to moaning or other sleep noises.
However, it is important to be vigilant and trust your instincts as a parent or caregiver. If you have any concerns about your baby's breathing, overall well-being, or if you feel something is not right, don't hesitate to consult your paediatrician or a medical professional. They can provide guidance and reassurance tailored to your baby's specific needs.
- Labored or rapid breathing: If you observe signs of labored breathing, such as flared nostrils, pulling muscles around the neck, or moaning/grunting at the end of a breath, it could indicate respiratory distress or conditions like respiratory syncytial virus (RSV).
- Frequent congestion: While newborns commonly experience congestion due to their narrow nasal passages, if it persists or is accompanied by other symptoms, it may be advisable to seek medical advice.
- Irregular breathing with distress: While newborns typically experience irregular breathing due to their developing respiratory system, if your baby appears distressed or bothered during these episodes, it may be cause for concern.
- Breathing rate exceeding 60 breaths per minute: Newborns typically have a breathing rate of 40-60 breaths per minute when awake, slowing to 30-40 breaths per minute during sleep. If you observe a breathing rate significantly higher than this, it may be a reason to consult a doctor.
- Other signs of illness: If your baby exhibits other signs of illness alongside sleep noises, such as a fever, decreased appetite, or unusual lethargy, it may be advisable to seek medical attention.
- Persistent sleep noises beyond the newborn stage: While sleep noises are common in newborns, if they persist beyond the first few months or continue after your baby reaches developmental milestones, it may be worth discussing with your healthcare provider.
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Frequently asked questions
Yes, it is normal for newborns to make a lot of noise in their sleep. They might moan, groan, grunt, snore, whimper, sigh, gurgle, coo, snort, wheeze, whistle, rattle, and even giggle. Newborns have short sleep cycles and are constantly transitioning between sleep stages, which can cause disruptions and irregular breathing. They also spend a lot of time in REM sleep, which is associated with dreaming and a more active brain, resulting in noisier sleep.
Newborns make noises in their sleep due to developmental and physical factors. They are nasal obligate breathers, meaning they breathe through their noses, which can easily get congested. Their digestive systems are also immature and still developing, so they may make noises related to hunger, passing gas, or having a bowel movement.
While newborn sleep noises are typically normal, there are some instances where you should seek medical advice. If you notice labored or rapid breathing, flared nostrils, or pulling muscles around the neck, it could indicate respiratory distress. Additionally, if the moaning is accompanied by high-pitched grunting and is constant, it could be a symptom of meningitis or, in rare cases, heart failure. Always consult your child's doctor or a medical professional if you have any concerns.


















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