4 ways to use pulsed frequencies.
On the lumbar of a chair, use a Pythagorean scale tuned to A = 432Hz for central nervous system activation.
In a hoodie, near the brain, a sequence of theta, alpha, beta, and gamma frequencies focuses brainwaves.
While laying, pulsed schumann resonances restore ionic balance.
Under a pillow, slow rhythmic delta frequencies ease brainwaves into a restful state.