You might experience MORE symptoms than usual such ringing in the ears, restless nights, fast heartbeat, body shakes, dizziness, anxiety, abnormal breathing, and headaches.

Schumann Resonance

http://sosrff.tsu.ru/?page_id=7

http://sosrff.tsu.ru/

https://en.wikipedia.org/wiki/Schumann_resonances#:~:text=The%20Schumann%20resonances%20(SR)%20are,Earth’s%20surface%20and%20the%20ionosphere.