0.5–4 Hz
Delta
Deep relaxation, healing, deep sleep
Aid for falling asleep, recovery after stress; ideal before bed.
4–8 Hz
Theta
Creativity, meditation, light sleep
Reduce anxiety, strengthen intuition; great for guided meditations.
8–12 Hz
Alpha
Calm alertness, learning
Boost concentration, stress reduction; good for studying or work.
12–30 Hz
Beta
Active focus, problem-solving
Increase productivity, overcome mental blocks.
30–100 Hz
Gamma
High cognition, insight
Creative breakthroughs, spiritual experiences; helpful for ADHD.