Managing Overstimulation After a Concussion or Brain Injury

When the brain has been injured, even routine activities can feel overwhelming. Sounds, lights, and conversations may demand more mental effort than usual, making it tough to focus, recall information, or think clearly. This is because the healing brain processes input more slowly and can easily become overstimulated.

Common Signs You Might Be Overstimulated 

  • Feeling anxious, easily frustrated, or emotionally on edge

  • Headaches or eye strain 

  • Blurry or double vision

  • Trouble concentrating or feeling “foggy”

  • Increased tiredness or mental fatigue

  • Dizziness or unsteady balance

How to Take a "Brain Break" or True Rest

If these symptoms begin to show up, give your brain a rest by stepping away from stimulation:

  • Find a quiet space away from noise & bright light

  • Close your eyes, dim the lights, or wear sunglasses indoors if needed 

  • Turn off background noise like the TV or music

  • Try playing Brown Noise (available on YouTube) to reduce sensory input

  • Practice deep breathing—drop your shoulders, unclench your jaw, & focus on slow, steady breaths

What a Brain Break is Not

Avoid brain-engaging activities: 

  • Chatting with others

  • Watching television

  • Scrolling on your phone

  • Listening to music

  • Reading

These may feel restful but they still demand attention and processing.

Nutritional Support for Brain Recovery

Consider talking with Dr Brie and our team about supplements that support cognitive healing. Here are a few options:

  • Vitamin B12 (methylcobalamin) – 1200 mcg/day

  • Vitamin B2 (riboflavin) – 200 mg 2x/day

  • Magnesium L-threonate – 400 mg@bed

  • CoQ10 – 100 mg up to 2x/day

  • Omega-3 with DHA – 3000 mg daily

  • Vitamin D3 – 5000 IU daily

When to get back to activity: light and early cardio!

Gradual reintroduction of activity is important for brain health, as long as it does not trigger symptoms. Start with short walks or stretching in the first week. Increase to light cardio & advance to full activity as your brain tolerates over the first month. If your symptoms return, you have pushed too hard and it is time to rest again. Avoid activity that puts you at risk for another head hit! 

Brain Recovery Timeline: What to Expect & When to Act 

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