Miya Pearson
It can be alarming to witness your newborn jumping in their sleep, but it is very common and typically a normal part of their development. Sleep twitching is the technical term for muscle twitching in Greek. It is believed that twitching during REM sleep is linked to sensorimotor development, which activates circuits throughout the developing brain and teaches newborns about their limbs and what they can do with them. While sleep twitching is usually benign, there are some rare instances where medical attention may be necessary.
| Characteristics | Values |
|---|---|
| Commonality | Very common |
| Normality | Normal |
| Cause | Newborn reflexes, development, dreaming |
| Treatment | None required |
| Synonyms | Sleep myoclonus, hypnic myoclonus, hypnagogic jerk |
| Related Disorders | Autism, schizophrenia, epilepsy, restless leg syndrome |
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What You'll Learn
Sleep twitching is normal and linked to development
Sleep twitching is a common phenomenon in newborns and is usually a normal part of their development. Lyndsey Garbi, a New York City-based pediatrician, explains that these twitches are relatively common, completely normal, and expected as part of a baby's development.
Babies are born with immature yet rapidly developing neurological systems, which cause them to twitch or move a lot in their sleep. These twitches are believed to be linked to sensorimotor development, where the movements activate circuits throughout the developing brain, teaching newborns about their limbs and what they can do with them. This theory is supported by research conducted on baby rats at the University of Iowa, which monitored their brain activity during sleep twitching.
Additionally, sleep twitching may also be related to dreaming. While it is most common during NREM sleep, it can also occur during REM sleep, the cycle of sleep where dreaming occurs.
In most cases, sleep twitching is benign and not a cause for concern. However, it is important to monitor your baby's sleep patterns and consult a sleep specialist or a pediatrician if you notice any unusual movements or if the twitching is affecting your baby's quality of sleep.
Overall, while it may be concerning to witness your newborn jumping or twitching in their sleep, it is typically a normal and expected part of their development.
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It's called benign sleep myoclonus
It's called benign neonatal sleep myoclonus (BNSM). BNSM is a rare sleep-related movement disorder that occurs in very young infants. It is characterised by myoclonic jerks that occur only during sleep and stop abruptly when the child is aroused. These jerks are involuntary muscle movements that can occur in the arms, legs, core, or face, and they are usually symmetrical, involving muscle groups on both sides of the body. In some cases, they may involve the whole body.
The exact cause of BNSM is unknown, but researchers have hypothesized that it may be related to the incomplete development of the protective sheath around a baby's spinal cord, allowing impulses to be carried out that would typically be impeded. It is also believed that BNSM may be genetic and run in families. Certain triggers, such as repetitive noises or touch, may induce the myoclonic jerks.
BNSM is typically distinguished from epileptic seizures by the absence of abnormal eye movements and the fact that it occurs only during sleep. Electroencephalography (EEG) and electromyography (EMG) can also be used to differentiate BNSM from seizures, as the brain waves in BNSM do not resemble those of seizures.
It is important to note that BNSM is generally considered a benign and harmless condition. These jerks or twitches are believed to be linked to sensorimotor development, activating circuits throughout the developing brain and teaching newborns about their limbs and their functions. In most cases, BNSM resolves spontaneously within the first 10 months of life, with a median resolution time of 2 months.
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It may be caused by dreaming
It is common for newborns to twitch in their sleep, and this is usually not a cause for concern. Lyndsey Garbi, a New York City-based pediatrician, explains that these twitches are a normal part of a baby's development.
One reason your newborn may be jumping in their sleep is that they are dreaming. Although twitching in sleep mostly occurs during NREM sleep, it can also happen during REM sleep, which is the cycle of sleep where we dream. REM sleep is characterised by rapid eye movement and is the deepest state of sleep. During this stage, the body is typically paralysed, except for spasms and twitches.
Twitching during REM sleep is linked to sensorimotor development. When a newborn's body twitches, it activates circuits throughout the developing brain, teaching them about their limbs and what they can do with them. This is supported by research conducted on baby rats by Mark Blumberg, a professor of psychological and brain sciences at the University of Iowa. Blumberg observed that twitches trigger activity in the spinal cord, sensory and motor areas, and the hippocampus.
If you are concerned about your newborn's twitching, it is recommended to consult a sleep specialist for a definitive diagnosis. In rare cases, twitching may be a symptom of more severe conditions such as epilepsy or restless leg syndrome. However, in most cases, sleep twitching is harmless and does not require treatment.
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It can be triggered by loud noises or touch
It is understandable that witnessing your newborn jumping in their sleep can be concerning. However, rest assured that sleep twitching is often a harmless display of your baby's developing nervous system at work. This phenomenon is called benign sleep myoclonus, and it is no more dangerous than another form of myoclonus: hiccups!
Benign sleep myoclonus is a condition in which children or sometimes adults have spasms in their sleep, which can wake them up. These spasms are usually triggered at the beginning of sleep and can be brought on by loud noises or touch. The disorder usually resolves itself as the child ages, and in most cases, there is no need for treatment as it poses no danger to the child.
Myoclonus is thought to be caused by issues with dopamine, unlike seizures, which are caused by electrical neurological problems. A key indicator of a true seizure is abnormal eye movement along with body movements. If you notice these symptoms or if your baby has trouble breathing, turns blue, purple, or gray, or the seizure lasts longer than five minutes, call 911 or immediately go to the ER.
Researchers believe that twitches during rapid eye movement (REM) sleep are linked to sensorimotor development. When the sleeping body twitches, it activates circuits throughout the developing brain and teaches newborns about their limbs and what they can do with them.
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It's linked to sensorimotor development
Your newborn's jumping in her sleep is likely linked to sensorimotor development. This is a process where the sleeping body twitches, activating circuits throughout the developing brain and teaching newborns about their limbs and what they can do with them.
Twitching during sleep, also known as sleep myoclonus, is a mild condition involving involuntary muscle movements. It usually occurs during the early stages of sleep and can last up to 10-20 seconds. These twitches can include little jerks and spasms in the arms, legs, eyes, eyelids, fingers, toes, head, mouth, and cheeks. While it may be alarming for new parents to witness, sleep twitching is a normal part of a newborn's development and usually disappears within a few months.
Research has shown that twitching during REM (rapid-eye movement) sleep is linked to sensorimotor development. During REM sleep, motor areas in the baby's brain generate brief, jerky movements in the face and limb muscles. These twitches trigger activity in the spinal cord, sensory and motor areas, and the hippocampus. Interestingly, studies have found that the brain pays more attention to these twitches than to movements when the baby is awake.
Furthermore, the synchrony between twitches and sleep spindles, which are bursts of brain activity during sleep, suggests the development of functional connectivity between distant sensorimotor structures. This emerging communication between brainstem and cortical motor structures may play a role in the learning of motor tasks. By studying these twitches, researchers aim to understand typical development and gain insights into neurodevelopmental disorders such as autism and cerebral palsy.
Understanding your newborn's jumping in her sleep as a part of sensorimotor development can provide reassurance that these movements are contributing to their growing and developing brain. However, it is always important to monitor your baby's overall development and consult a pediatrician if you have any concerns or notice any unusual symptoms.
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Frequently asked questions
Newborns commonly twitch in their sleep, and this is usually a normal part of their development. Researchers believe that twitching during REM sleep is linked to sensorimotor development, with the sleeping body activating circuits throughout the developing brain and teaching newborns about their limbs and what they can do with them.
Yes, it is entirely normal for newborns to twitch in their sleep. Sleep myoclonus is the technical term for this occurrence, which translates to muscle twitching in Greek.
Sleep twitching in newborns can be caused by various factors, including reflexes, development, and dreaming. Newborn reflexes such as the moro reflex or tonic neck reflex can cause twitching. Additionally, newborns have immature yet rapidly developing neurological systems, which can result in twitching or increased movement. Dreaming during active sleep or REM sleep can also cause twitching.
If the twitching is short and infrequent, it is most likely benign and not a cause for concern. However, if you are concerned about your newborn's sleep twitching, it is recommended to consult a sleep specialist or your paediatrician for a definitive diagnosis.
In most cases, sleep twitching in newborns is harmless and not a cause for alarm. However, in rare instances, it could be a sign of a more serious condition such as epilepsy, restless leg syndrome, or infantile spasms. If you observe any unusual symptoms or prolonged seizures, it is crucial to seek immediate medical attention.
