Soundwaves can kill you

[WilliamDeLaPole]

Something something submarine sonar tearing your insides apart

And sperm whales can click you to death.

 

[StolenWindows]

Glowies can make you seem like a schizo by playing sound which only you can hear.

https://youtube.com/watch?v=HF9G9M0cR0E

That's what the Navy Yard shooter complained about. The government also has the ability to advertise their products in your dreams.

https://www.dailymail.co.uk/sciencetech/article-9194695/Coors-Light-wants-inspire-sleepers-dream-commercial-audio-visual-stimuli.html