delta harp 1

.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.