Brain Fog
Struggling to think clearly? Finding it hard to concentrate or remember things? Your dysregulated nervous system might be the root cause.

Why do I have brain fog?
What feels like mental cloudiness is often a symptom of nervous system dysregulation. When your nervous system is stuck in a sympathetic dominant state (fight/flight/freeze response), it impairs cognitive function, mental clarity, and brainbody communication. This shows up as:
- Difficulty concentrating and focusing
- Mental fatigue or "cloudy" thinking
- Memory lapses and forgetfulness
- Slow cognitive processing
- Poor decision-making ability
Guide to Nervous System Regulation:
How to regulate your body's operating system for better sleep, digestion, mental clarity and emotional balance
Get free guideNervous system dysregulation creates brain fog
Brain fog occurs when your nervous system is stuck in sympathetic dominance (fight/flight/freeze). This creates cognitive challenges through several mechanisms:
Blood Sugar Dysregulation
Problem ➜ When stuck in sympathetic dominance, your body prioritizes survival over digestion and blood sugar regulation. This leads to glucose fluctuations that directly impact brain function.
Symptom ➜ Mental fatigue, difficulty concentrating, and brain fog, especially after meals.
Gut-Brain Disruption
Problem ➜ Sympathetic dominance reduces blood flow to digestive organs and impairs nutrient absorption. This disrupts the gut-brain axis and affects neurotransmitter production.
Symptom ➜ Poor concentration, mood changes, and cognitive sluggishness.
Inflammatory Response
Problem ➜ Chronic sympathetic activation triggers systemic inflammation that affects brain function and neural communication.
Symptom ➜ Mental cloudiness, reduced processing speed, and difficulty with complex tasks.
Mitochondrial Dysfunction
Problem ➜ Think of mitochondria as your brain cells' power plants. Chronic stress forces these power plants to work overtime, making them less efficient - like a phone battery that no longer holds its charge. Since brain cells need massive amounts of energy to function, this creates a significant energy deficit.
Symptom ➜ A deep mental exhaustion that sleep doesn't fix. Your brain feels consistently foggy and drained, making it hard to think clearly or focus.
Inflammation Increase Nervous System Overwhelm
Problem ➜ A dysregulated nervous system gets stuck in protection mode, reducing blood flow to the prefrontal cortex (our thinking brain).
Symptom ➜ Difficulty with executive function, decision-making, and creative thinking.
Hormone Disruption
Problem ➜ Sympathetic dominance affects thyroid function and hormone production, which are crucial for cognitive clarity.
Symptom ➜ Brain fog, memory issues, and difficulty maintaining focus.
The impact of brain fog
Brain fog isn't just about feeling mentally unclear—it affects every aspect of your life and work.
42%
report reduced work productivity
67%
experience daily concentration issues
3x
higher risk of making errors at work
45%
decrease in creative thinking ability
58%
report impacts on personal relationships

Break the Cycle
Our science-based programs address brain fog at its source by regulating your nervous system through:
- Neurofeedback training to reset stress response patterns and restore mental clarity
- Heart Rate Variability training to build resilience against future stress
- Cold thermogenesis (ice baths) to boost energy production and mental strength
- Somatic breathwork to release stored tension and reactivate your natural relaxation response
- Anti-inflammatory nutrition to repair cellular energy production
I feel rested
It’s worth it
A very healing experience
Backed by our research team

Lucy Oliver
MSci, Chemistry & Founder

Dr. Jay Luther
MD,Internal medicine (Harvard)

Dr. Aaron Roughan, DC
CHIROPRACTOR & Behavioural Psychologist

Paola Encinas
NEUROSCIENTIST & BIOMEDICAL ENGINEER


“I’ve done both the 5 and 10 day programs, and I loved them both! I learned so much.
This retreat was truly life-changing. It sparked profound shifts in my nervous system.”
MATT H.
Reserve my Rēset