Sleep is not simply a period of rest—it is a highly active and structured process during which the body carries out essential repair and recovery functions. Each night, the body cycles through different stages of sleep, primarily divided into non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. These stages work together to support both physical and neurological healing.
Deep sleep, also known as slow-wave sleep (a stage of NREM sleep), is particularly important for physical restoration. During this stage, the body increases the release of growth hormone, which plays a critical role in tissue repair, muscle recovery, and bone regeneration (Van Cauter & Knutson, 2008). This is especially relevant for individuals recovering from injuries, experiencing chronic musculoskeletal stress, or undergoing physical treatments such as chiropractic care.
At the same time, REM sleep supports brain function by facilitating memory consolidation, emotional processing, and cognitive restoration. A disruption in REM sleep has been associated with mood disturbances, decreased mental clarity, and increased sensitivity to stress (Walker, 2017).
Sleep also plays a significant role in regulating inflammation. Chronic sleep deprivation has been linked to increased levels of pro-inflammatory markers, which can contribute to the persistence or worsening of pain conditions (Irwin, 2015). This relationship between sleep and inflammation is particularly important in patients dealing with chronic pain, as inadequate sleep may create a cycle in which pain disrupts sleep, and poor sleep amplifies pain.
From an energy standpoint, sleep is essential for restoring cellular function. During sleep, the body replenishes energy stores, supports mitochondrial function, and allows for optimal metabolic processes. Without adequate sleep, individuals often experience fatigue that cannot be fully corrected through rest alone, as the deeper restorative processes have been disrupted.
In clinical practice, it is important to recognize that healing does not occur solely during treatment sessions. Interventions such as adjustments, soft tissue work, and rehabilitation exercises initiate a healing response—but the body completes that process during rest, particularly during deep sleep.
Simple Takeaway:
Treatment may begin the healing process, but sleep is where the body completes it.
References – Part 2
- Irwin, M. R. (2015). Why sleep is important for health: a psychoneuroimmunology perspective. Annual Review of Psychology, 66, 143–172.
- Van Cauter, E., & Knutson, K. (2008). Sleep and the epidemic of obesity in children and adults. European Journal of Endocrinology, 159(Suppl 1), S59–S66.
- Walker, M. (2017). Why We Sleep: Unlocking the Power of Sleep and Dreams. Scribner.
Nadine Hebdon
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