Evie Summers
Sleep is a vital process that allows the body to rest, repair, and restore itself. The amount of sleep we need varies by age, and sleep patterns also change as we get older. REM sleep, or rapid eye movement sleep, is one of the two main types of sleep, the other being non-REM sleep. While there is no official agreement on how much REM sleep is needed, it is important for dreaming and learning and memory. As babies and children get older, they experience less REM sleep and more non-REM sleep. By the time children are 5 years old, their sleep cycles are similar to those of adults, lasting about 90 minutes. Children aged 5-11 years old need 9-11 hours of sleep each night.
| Characteristics | Values |
|---|---|
| Recommended sleep duration for 12-year-olds | 9-11 hours |
| REM sleep duration | No official agreement on the amount of REM sleep needed |
| REM sleep cycle duration | 90-120 minutes |
| REM sleep cycle frequency | 4-5 cycles per night |
| REM sleep cycle stages | N1, N2, N3, N2, REM |
| REM sleep cycle order | Non-REM sleep (NREM) followed by REM sleep |
| REM sleep importance | Dreaming, learning, memory, and concentration |
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What You'll Learn
A 12-year-old needs 9-11 hours of sleep per night
Sleep is a crucial bodily process that enables individuals to rest, repair, and restore their energy levels. The amount of sleep needed varies across different age groups, and adequate sleep is particularly important for children's growth and development.
For a 12-year-old child, the recommended sleep range is between 9 and 11 hours per night. This age group is transitioning from childhood to adolescence, and their sleep needs are shifting accordingly. As they get older, their sleep patterns will continue to change, and they will require slightly less sleep.
It is important to encourage good sleep habits and a consistent sleep schedule. Establishing a bedtime routine can help 12-year-olds get the full hours of sleep they need. This can include activities such as washing up, brushing teeth, reading a book, or listening to quiet music. It is also beneficial to turn off all screens, including TVs, computers, phones, tablets, and video games, at least one hour before bedtime.
Getting enough sleep is essential for a 12-year-old's overall health and well-being. Sleep deprivation in this age group can lead to issues with attention, mood swings, behaviour, and learning. Additionally, adequate sleep is linked to improved emotional regulation, mental health, physical health, and overall quality of life.
During sleep, the brain moves between two main types of sleep: non-REM and REM (rapid eye movement) sleep. These stages make up a sleep cycle, which lasts about 90 minutes for children over the age of five, similar to an adult's sleep cycle. REM sleep is crucial for learning and memory, and children spend more time in this stage than adults. As children get older, the amount of REM sleep decreases, and sleep cycles lengthen.
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REM sleep is important for learning and memory
Sleep is essential for the body to rest, repair, and restore itself. It is also vital for learning and memory. While an individual's sleep needs vary, children aged 5-11 years old need 9-11 hours of sleep each night. As children get older, they tend to sleep less during the day and more at night.
REM sleep, or rapid eye movement sleep, is one of the two types of sleep, the other being non-REM sleep. REM sleep is also called dream sleep, as it is the stage in which dreaming occurs most frequently. During REM sleep, the eyes scurry behind closed eyelids, and brain waves are similar to those during wakefulness.
Scientists have found that sleep improves memory retention and recall by 20 to 40 percent. Sleep also plays a role in forming long-term memories. MRI scans indicate that the slow brain waves of deep non-REM sleep help transport memories from the hippocampus to more permanent storage sites.
REM sleep seems to play a critical role in the consolidation of procedural memory, or the memory of "how" to do something. For example, research has shown that rats perform much worse on learning tasks after being deprived of REM sleep, suggesting that REM sleep is necessary for their ability to consolidate the memory of how to perform a task.
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Sleep cycles get longer as children get older
Sleep is a crucial process that allows the body to rest, repair, and restore itself. The sleep cycles of babies and children differ from those of adults in terms of duration and the types of sleep involved. Newborns sleep for around 14-17 hours in a 24-hour period, with their sleep consisting of two types: active sleep and quiet sleep. Active sleep is characterised by movements like jerking, twitching, or sucking, while quiet sleep is marked by stillness and even breathing.
As babies grow older, their sleep patterns change, and they start to sleep more at night and less during the day. By the time they reach three to six months of age, they develop more distinct day and night sleep patterns, with longer periods of sleep at night. During this stage, babies experience four stages of sleep: three non-rapid eye movement (NREM) stages and rapid eye movement (REM) sleep. The NREM stages include light sleep (stages 1 and 2) and deep sleep (stage 3), while REM sleep is often referred to as "dream sleep."
The sleep cycles of children continue to evolve as they age. By the time they are three years old, their sleep cycles are approximately 60 minutes long, gradually increasing to the adult length of about 90 minutes by the age of five. This maturation of sleep architecture indicates that their sleep patterns are becoming more similar to those of adults.
For children aged 12, the recommended sleep duration is 9-11 hours per night. Establishing a consistent bedtime routine is essential for promoting healthy sleep habits in older children and teenagers. This can include activities such as washing up, brushing teeth, reading, or listening to calming music. Additionally, limiting screen time at least an hour before bedtime can contribute to better sleep hygiene.
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REM sleep is also called dream sleep
Sleep is a body process that allows the body to rest, repair, and restore itself. Lack of sleep has been linked to several health issues. As we sleep, our brains move between two types of sleep—non-REM and REM (rapid eye movement) sleep. Together, these stages make up a sleep cycle.
Babies and young children spend more time in REM sleep, and their sleep cycles are shorter than those of adults. As children get older, the amount of time spent in REM sleep decreases, and their sleep cycles lengthen. By the time children start school, their sleep cycles are about 90 minutes long, similar to adults.
REM sleep is important for brain development and function, learning, and memory. While in REM sleep, the brain is on "cleanup duty," removing cellular waste and setting the individual up for better brain function and thinking the next day. A variety of hypotheses have been proposed to explain the purpose of REM sleep and dreaming. For example, Michel Jouvet suggested that dreaming reinforces behaviors not commonly encountered during the awake state (such as aggression or fearful situations) by rehearsing them while dreaming. Another hypothesis is that dreaming is simply an incidental consequence of REM sleep.
While the exact purposes of REM sleep and dreaming remain unknown, it is clear that REM sleep, or dream sleep, is an important part of the sleep cycle and is crucial for overall health and well-being.
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REM sleep behaviour disorder can cause children to act out their dreams
During REM (rapid eye movement) sleep, the eyes scurry behind closed eyelids, and the brain is active, resulting in dreams. The amount of REM sleep one gets varies with age. While babies and children have more REM sleep, the older one gets, the lesser the REM sleep. By the time children are 5 years old, their sleep cycles mature to the adult length of about 90 minutes.
REM sleep behaviour disorder (RBD) is a sleep disorder in which one physically acts out their dreams while in the rapid eye movement (REM) stage of sleep. The disorder can cause violent sleep behaviour, with the potential to cause injury to oneself or one's bed partner. People with RBD may talk, shout, kick, punch, jump, or fall out of bed. Vocalization is common and often consists of yelling. RBD is not a mental health condition, but rather a parasomnia.
RBD in children can be difficult to diagnose as seizures and obstructive sleep apnea can also lead to increased muscle tone during sleep. Nocturnal seizures usually occur during NREM sleep but can sometimes happen during REM sleep. Children with sleep-disordered breathing may also display excessive motor activity after an obstructive respiratory event, especially in REM sleep, making differentiation from RBD difficult.
RBD may be prevalent in children with autism and other neurodevelopmental disorders. Studies have shown that RBD may be the result of dysfunction in different pathways originating from the hypothalamus or brainstem. Researchers believe that an issue in the brainstem, specifically the pons, may cause RBD, as certain cells in this region control muscle paralysis during REM sleep.
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Frequently asked questions
REM stands for rapid eye movement sleep. It is the sleep stage when we tend to dream. REM sleep is important for learning, memory, and dreaming, which experts believe helps us process emotions.
There is no official agreement on how much REM sleep one needs. However, it is recommended that children aged 5-11 years old get 9-11 hours of sleep a night. As children get older, they experience less REM sleep and more non-REM sleep.
If your child is getting enough sleep overall, they are likely getting enough REM sleep. If you are concerned about your child's sleep, you can try using a sleep tracker to monitor their sleep patterns.
To help your child get enough REM sleep, you can encourage them to stick to a regular bedtime routine. This may include winding-down activities such as washing up, brushing teeth, reading a book, or listening to quiet music. It is also recommended to turn off all screens at least one hour before bedtime.
