Electroencephalogram (EEG)

Before Your Electroencephalogram (EEG)

• Wash your hair the night before the test.
• Do not use hair products (gels, sprays, or oils) on the day of the EEG.
• Remove any accessories (hats, hair clips) before the test.

Medications

• Continue taking your regular medications.

Diet and Caffeine

• Avoid coffee, tea, energy drinks, and other caffeinated drinks for at least 8 hours before the EEG.

Sleep Deprivation

• Some EEG tests require less sleep before the procedure as per doctor recommendation.

Arrival

• Arrive at the facility at least 15 minutes before your scheduled time.

Frequently Asked Questions

1. Does the test cause any pain?
   • No, the EEG is painless. You may only feel the cool gel or paste used for electrode placement.
2. How long does it take?
   • An EEG usually takes 30–60 minutes, but some types may last longer.
3. Can I eat before the test?
   • Yes, you can eat a light meal before the test, but avoid caffeine.