Corpus

Brain Fog

A subjective sense of mental cloudiness, slower thinking or difficulty concentrating.

By The Corpus Atlas Editorial TeamUpdated Last reviewed How we source this

Possible causes

  • Sleep debt
  • Dehydration
  • Blood sugar swings
  • Chronic stress
  • Post-viral recovery

Associated systems

Optimisation advice

  • Stabilise blood sugar with protein-forward meals
  • Protect 7–9 hours of sleep
  • Stay hydrated through the day
  • Take regular screen breaks

Medical red flags

  • Sudden onset of confusion
  • Accompanied by slurred speech or weakness

Related anatomy

Medical disclaimer

This page is for general education and does not replace personalised medical advice. If you have concerning symptoms, or before starting a new supplement, medication or exercise programme, speak with a qualified healthcare professional.