Brainwave Frequency Reference
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Research-Supported
Preliminary Evidence
Traditional Belief
Delta (0.5–4 Hz)
Deep sleep, healing, pain reduction. 30–45 min before sleep. Research-Supported.
Theta (4–8 Hz)
Meditation, REM, creativity. 20–30 min sessions. Research-Supported.
Alpha (8–13 Hz)
Calm focus, stress relief, flow state. 20–30 min. Research-Supported.
Beta (13–30 Hz)
Active cognition, alertness, studying. 15–25 min. Preliminary Evidence.
Gamma (30–100 Hz)
Peak processing, learning, insight. Use with caution. Traditional Belief.
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