Random encounters with sound

Occasionally i went on trips with my parents, few of the times i got sound in my head. I can hear sound start wrapped around my head when i was resting.

It sound like tuning fork that resonate loudly in my head for a long time, which i can freely adjust the pitch and intensity of the sound (one time i amplified the sound too loud that it hurt :stuck_out_tongue: )

Just today, i was trying to sleep in the car the sound came back again. I fell asleep on the sound, and begin to lucid dreaming. In dream i saw lion (called suanni 狻猊 which is the fifth of the dragon’s nine son based on writings in the older china times) which sat on clouds with a massive size guarding the sky.

I wonder what the sound could probably mean…probably someone is throwing messages at me?