The Science Behind Sleep Cycles and Their Impact on Children’s Development

Written on 29/07/2024
Dr. Caitlyn Brightmon (TCM)


Research* has shown what we already knew: that sleep is an important facet of maintaining health. As parents, we all understand this, if our life routines get out of whack, and our children have a few late nights, they become easily cranky and harder to soothe. I know after a few concurrent late nights my children became more hyperactive- as if they had to keep moving to stay awake. Having a routine that they knew led to sleep made for easier bedtimes, and less fussing, where I didnt feel frustrated and we all settled easier! Remember, our rest and relaxation is important also, making us more patient parents!


Understanding the science behind sleep cycles can provide valuable insights into how to ensure children get the rest they need for healthy development. Sleep is a complex process that involves multiple stages, each playing a crucial role in physical and mental health. This article delves into the intricacies of sleep cycles, their importance for children, and practical ways to optimise sleep.


What Happens During Sleep?

Sleep cycles and their impact on children's development are crucial aspects to consider when discussing sleep. Sleep is divided into two main types: Rapid Eye Movement (REM) sleep and Non-REM (NREM) sleep. Each type is characterised by distinct physiological processes.


  • Non-REM Sleep: This is further divided into three stages:

  • Stage 1: The transition from wakefulness to sleep, lasting a few minutes.

  • Stage 2: Light sleep, where heart rate and breathing regulate, and body temperature drops.

  • Stage 3: Deep sleep, essential for physical restoration and growth, immune function, and memory consolidation.

  • REM Sleep: This stage involves increased brain activity, dreaming, and temporary muscle paralysis. REM sleep is crucial for cognitive functions, such as learning and memory consolidation.

Throughout the night, children cycle through these stages multiple times, with each cycle lasting about 90 minutes​.


The Importance of Sleep Stages for Development

Each stage of sleep serves a different purpose in the development of children:

  • Deep Sleep: Vital for physical growth and development. During this stage, the body repairs tissues, builds muscle, and strengthens the immune system.

  • REM Sleep: Supports brain development, learning, and emotional regulation. This stage helps process the day's experiences and consolidates them into memory​.


Optimising Sleep for Children

To ensure children receive the benefits of each sleep stage, it's essential to create a sleep-conducive environment and establish healthy sleep habits:

  1. Consistent Bedtime Routine: Establishing a regular bedtime helps regulate the body’s internal clock and ensures children get enough deep and REM sleep.

  2. Sleep Environment: A quiet, cool, and dark bedroom can enhance sleep quality. Remove distractions and electronic devices to prevent interruptions.

  3. Healthy Sleep Practices: Encourage activities that promote relaxation before bed, such as reading or listening to calming music. Avoid caffeine and heavy meals close to bedtime​.


The Role of Sleeptime Therapy®

Sleeptime Therapy® offers a unique approach to enhancing sleep quality for children. By focusing on audio-only activations, Sleeptime Therapy® helps children engage in relaxing auditory experiences without the distractions of screens. Parents can select the appropriate story and activation, then lock the device and place it out of reach. This allows children to focus on soothing music, imaginative stories, and gentle suggestions, promoting a restful night's sleep.

Starting mindfulness practices early in life can help children develop habits that support emotional regulation, reduce stress, and improve sleep quality. These practices can carry into adolescence and adulthood, creating lasting positive effects on mental health and well-being.

If you're looking to support your child's sleep and overall development, consider integrating Sleeptime Therapy® into your bedtime routine. Download the Sleeptime Therapy® app today and start transforming your child's sleep experience.


*Research: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5440010/


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References

  1. Johns Hopkins Medicine. "The Science of Sleep: Understanding What Happens When You Sleep"

  2. Sleep Foundation. "How Sleep Works: Understanding the Science of Sleep"

  3. Sleep Foundation. "What Happens When You Sleep?"

  4. Harvard Medical School. "Science of Sleep: What is Sleep?"

  5. Douglas Research Centre. "Sleep and children: the science behind it"