
Newborns spend most of their sleep in REM sleep, also known as rapid eye movement sleep, which is a light sleep stage where we dream. As a result, newborns may appear restless and squirmy while sleeping. Newborns also have very tiny tummies and need to eat frequently, which can cause them to wake up a lot. Additionally, newborns are learning to use their digestive system and are getting used to their new environment outside of the womb, which can make them fussy and squirmy. Establishing a consistent bedtime routine and ensuring a comfortable sleeping environment can help improve sleep for newborns.
| Characteristics | Values |
|---|---|
| Normal behaviour | Newborns are getting used to their new muscles and bodies |
| REM sleep | Newborns spend about half their sleep time in REM sleep, which is a more active time |
| Frequent feeding | Newborns need to eat every 2-4 hours, including overnight |
| Short sleep cycles | Newborns have short sleep cycles and wake up frequently |
| Overstimulation | Newborns are easily overstimulated by their new environment |
| Overtiredness | Newborns can become overtired and unable to fall asleep due to sheer exhaustion |
| Separation anxiety | Newborns may start to feel anxious when separated from their parents |
| Developmental milestones | Milestones such as teething, sitting up, crawling and pulling up to stand can disrupt sleep |
| Temperature | Newborns may feel too hot or cold |
| Congestion | Newborns may be dealing with congestion |
| Acid reflux | Newborns may be struggling with acid reflux |
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What You'll Learn

Newborns spend about half their sleep time in REM sleep
Newborns have very tiny tummies, so they need to eat at least every two to four hours, including overnight. This means that they have short sleep cycles and will wake up frequently. Newborns are also getting used to life outside of the womb, which is a very different environment, and they need time to adjust.
It is important to establish a consistent bedtime routine to help newborns settle into a good pattern of night-time sleep. This can include a calm, quiet environment, with little stimulation, and perhaps some soft music or white noise. It is also important to follow your baby's sleep cues, such as rubbing their eyes or pulling their ear, which could signal that they are overtired.
If your newborn is grunting and squirming while sleeping, it is usually nothing to worry about. They may be trying to pass gas or waste, dealing with congestion, or getting used to their digestive system. However, if you are concerned or notice any symptoms such as discomfort, pale skin, a fever, or rapid breathing, it is best to seek advice from a doctor or emergency services.
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They are learning to use their digestive system
Newborns have very tiny tummies, and they need to eat at least every two to four hours, including overnight. They are also still learning how to adjust to life outside the womb, which can be tough as it is a very different environment. Newborns spend about half of their sleep time in REM sleep, which is a light, active sleep during which they move, dream, and may even wake up. This is why they seem squirmy while sleeping.
Newborns may also be squirmy in their sleep because they are learning to use their digestive system. They are getting used to their new bodies and testing out their new muscles. It is important to ensure that they are not too tightly wrapped and that they stay at a comfortable temperature. A baby sleeping bag can be useful in this regard, as it gives newborns enough room to move around comfortably, letting them shift their hips and legs as they learn to use their digestive muscles.
Newborns may also be squirmy because they are trying to pass gas or waste, or because they are struggling with congestion. They may also be suffering from acid reflux or feeling too hot. In some rare cases, grunting and squirming could indicate something more serious, such as sepsis, meningitis, or respiratory issues. If you are concerned or notice any symptoms, it is important to reach out to your doctor or emergency services.
To help your newborn sleep well, try to establish a bedtime routine and ensure they are not kept up too late. A calm, quiet environment with little to no stimulation is ideal. You can also try using dim lights and a white noise machine to avoid disturbing their sleep. It is also recommended to put your newborn flat on their back in their crib, bassinet, or play yard without any loose bedding, pillows, blankets, stuffed animals, or crib bumpers to prevent overheating and suffocation and reduce the risk of SIDS.
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They are testing out their new muscles
Newborns spend about half of their sleep time in REM sleep, which is a light, active sleep during which they move, dream, and may even wake up. Newborns also have very tiny tummies, so they need to be fed at least every two to four hours, including overnight. This means that they are often waking up to be fed, and their sleep patterns can appear restless.
Newborns are also learning how to adjust to life outside of the womb, which can be tough. They are getting used to a very different environment, and this can cause overstimulation. This is why routines are so important for newborns. They help establish boundaries, safety, and signal when it's time to transition to a new activity, even sleep.
One reason newborns may squirm in their sleep is that they are testing out their new muscles and getting used to their bodies. They are learning to use their digestive system and are getting used to the movement of their hips and legs. This is why it's important to ensure that newborns aren't too tightly wrapped and that they stay at a comfortable temperature. A baby sleeping bag can be useful for this, as it gives them room to move around comfortably and lets them shift their hips and legs.
Newborns also spend a lot of time sleeping on their backs, which is the recommended sleep position to prevent overheating and reduce the risk of SIDS (sudden infant death syndrome). This may also contribute to them testing out their muscles and moving around in their sleep, as they are getting used to lying in this position for extended periods.
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They are overstimulated by their new environment
Newborns spend about half of their sleep time in REM sleep, which is a lighter and more active stage of sleep. This is a key reason why newborns tend to move around a lot in their sleep. However, newborns also tend to be overstimulated by their new environment.
The world is brand new and exciting to newborns, and they can easily become overstimulated. This overstimulation can cause restlessness and squirminess. Therefore, it is important to establish a consistent and calming bedtime routine to help your newborn settle before they become exhausted. A calm, quiet environment with little to no stimulation is ideal. Some parents find that soft music or white noise machines help to soothe and comfort their newborns.
Additionally, it is important to follow your baby's sleep cues. For example, if your baby is rubbing their eyes or pulling their ear, it could be a sign that they are overtired. Putting your baby down when they are just a little tired can help ensure a good night's sleep. A consistent bedtime routine that starts at the same time every night can help establish a successful pattern of nighttime sleep.
Furthermore, newborns may also be adjusting to life outside of the womb, which can be tough. They are learning how to use their digestive system and getting used to their new bodies. This adjustment period can cause them to be restless and squirmy in their sleep. It is important to give them time and space to resettle and readjust in their sleep.
Overall, while there can be several reasons why newborns squirm in their sleep, overstimulation from their new environment is a significant factor. Establishing a consistent and calming bedtime routine can help reduce this overstimulation and improve your newborn's sleep.
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They are adjusting to life outside the womb
Newborns spend about half of their sleep time in REM sleep, which is a light, active sleep during which they move, dream, and sometimes wake up. They are also getting used to their new muscles and bodies, which can cause them to squirm in their sleep as they test out their new movements.
Newborns are adjusting to life outside the womb, and this new environment can be challenging for them. They may appreciate sleep enhancers that remind them of the womb, such as swaddling, rocking, or "white noise" machines that create ambient sounds. These familiar sensations can help to keep them calm and soothe them to sleep.
Creating a consistent bedtime routine is also essential for a newborn's sleep hygiene. This means a calm, quiet environment with little to no stimulation, and it can help to establish boundaries and signal when it's time to transition to sleep. A consistent routine can also help to prevent overstimulation, which can cause restlessness and squirminess in newborns as they explore and interact with their new world.
Additionally, it's important to follow your baby's sleep cues. For example, if they're rubbing their eyes or pulling their ear, it might be a sign that they're overtired. Putting your baby down when they're just a little tired can help ensure a good night's sleep. As they get older, their sleep will stabilize, and they will need to feed less frequently, which will also improve their sleep patterns.
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Frequently asked questions
Newborns spend about half of their sleep time in REM sleep, which is a light, active sleep during which they move, dream, and may wake up.
Creating a nighttime routine is essential for your baby's sleep hygiene. This means a calm, quiet environment with little to no stimulation. You can also try snuggling, rocking, or shushing, similar to what life was like in the womb.
Grunting and squirming are normal for newborns. However, if the grunting is accompanied by signs of discomfort, pale skin, a fever, or rapid breathing, seek medical help.
Newborns need to eat every 2-4 hours, but if it hasn't been that long since their last feed, wait for 2-5 minutes to see if they resettle. Over time, you'll learn to differentiate between "feed me!" cries and other noises.
Your baby might be overstimulated, overtired, or under-tired. They might also be experiencing separation anxiety, which can occur when they start realizing they want to be close to you at all times.




































