The phrase “nervous system reset” gets used a lot in wellness spaces - often loosely, as shorthand for anything from a long bath to a digital detox. But the concept behind it is physiologically real. After a sustained period of high stress, the body’s stress-response systems can become calibrated toward reactivity rather than recovery - more alert, more easily triggered, slower to return to baseline.
Resetting that calibration isn’t a single act. It’s a process, and it requires understanding what’s happening in the body - not just what feels good in the moment.
What Chronic Stress Actually Does to Your Nervous System
The hypothalamic-pituitary-adrenal (HPA) axis is the central regulator of the body’s stress response. Under normal conditions, it activates in response to a stressor and then returns to baseline once the stressor resolves. Under chronic stress, this feedback system becomes dysregulated - the HPA axis remains primed, cortisol output stays elevated or becomes erratic, and the physiological states associated with rest and recovery become harder to access.
The effects of this dysregulation are felt across multiple systems, from disrupted sleep and impaired cognitive function, to low mood, fatigue, and a persistent sense of being unable to fully switch off. For many women experiencing burnout, this description is immediately recognisable.
The important point is that HPA axis dysregulation is not permanent. The system is designed to be responsive, which means it can also be recalibrated. But recalibration requires consistent, appropriate inputs over time - not a single intervention.
What the Evidence Says Actually Works
Movement practices and mind-body approaches. Pascoe, Thompson and Ski (2017) conducted a systematic review and meta-analysis of randomised controlled trials examining the effects of yoga and mindfulness-based stress reduction (MBSR) on physiological stress markers. Across studies, yoga was associated with significant reductions in cortisol, systolic blood pressure, and heart rate. The authors note that the combination of physical posture, breathwork, and present-moment attention that characterises yoga may work through multiple pathways simultaneously - including direct modulation of the HPA axis.1
Sleep as a recovery mechanism, not just a rest state. As established by Xie et al. (2013) in their landmark Science paper, sleep activates the brain’s glymphatic clearance system - the mechanism by which the brain flushes metabolic waste accumulated during waking hours. This clearance is associated with a 60% expansion of interstitial space in the sleeping brain. For someone in a period of nervous system recovery, sleep quality isn’t just about feeling rested the next morning. It’s one of the body’s primary recovery mechanisms, and it can’t be fully replicated by any other input.2
Reducing load as well as adding recovery practices. This is the part that gets left out of most wellness advice. Adding a yoga class or a breathwork practice to an already overloaded schedule addresses only one side of the equation. HPA axis recovery requires both reducing the inputs that are sustaining the stress response and providing the conditions for restoration. That means honestly auditing sources of chronic demand - not just building a more elaborate recovery routine on top of them.
On the Idea of a ‘Reset’
It’s worth being honest about what a nervous system reset is and isn’t. The research doesn’t support the idea that the HPA axis can be reset in a weekend, a retreat, or a single intervention. What the research does support is that the system is responsive over time to consistent inputs - reduced stressor load, adequate sleep, movement practices that engage the parasympathetic nervous system, and nutritional support that addresses the depletion that sustained stress creates.
Framing recovery as a “reset” can be useful as a mental anchor, provided it doesn’t create the expectation of a sudden shift. For most women in burnout, nervous system recovery is better thought of as a gradual recalibration - one that often happens quietly, before you fully notice it.
The Role of Nutritional Support
Sustained stress increases the body’s demand for specific micronutrients involved in nervous system function, including magnesium, B vitamins, and antioxidant compounds. When intake doesn’t keep pace with demand, nutrient depletion can compound the physiological effects of stress.
Some women also find that targeted botanical support helps during periods of recovery. Traditional adaptogenic herbs such as Siberian ginseng have a long history of use in supporting the body’s resilience to stress and maintaining energy during demanding periods. L-theanine, an amino acid found naturally in green tea, has been studied for its role in supporting calm alertness and has been associated in clinical research with improvements in attention and working memory tasks during periods of cognitive demand (Baba et al., 2021).3
The Takeaway
Your nervous system after a period of chronic stress isn’t broken - it’s calibrated to an environment of sustained high demand. The work of recovery is giving it consistent signals that the environment has changed. That means less load, better sleep, movement that engages rest-and-digest pathways, and nutritional foundations that support what stress has depleted.
There’s no single switch. But the system is designed to recover, and it will given the right conditions over time.
References
1. Pascoe, M. C., Thompson, D. R., & Ski, C. F. (2017). Yoga, mindfulness-based stress reduction and stress-related physiological measures: A meta-analysis. Psychoneuroendocrinology, 86, 152–168. https://doi.org/10.1016/j.psyneuen.2017.08.008
2. Xie, L., Kang, H., Xu, Q., Chen, M. J., Liao, Y., Thiyagarajan, M., O’Donnell, J., Christensen, D. J., Nicholson, C., Iliff, J. J., Takano, T., Deane, R., & Nedergaard, M. (2013). Sleep drives metabolite clearance from the adult brain. Science, 342(6156), 373–377. https://doi.org/10.1126/science.1241224
3. Baba, Y., Inagaki, S., Nakagawa, S., Kaneko, T., Kobayashi, M., & Takihara, T. (2021). Effects of l-theanine on cognitive function in middle-aged and older subjects: A randomized placebo-controlled study. Journal of Medicinal Food, 24(4), 333–341. https://doi.org/10.1089/jmf.2020.4803
