When brain waves fall out of phase, local communications, and therefore functions, fall apart, producing unconsciousness.

The sound waves that come out of your mouth when you speak are about as long in wavelength as you are tall. That makes locating you from your voice, much less figuring out your detailed shape ...

A. Hewish, The Diffraction of Radio Waves in Passing through a Phase-Changing Ionosphere, Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 209, No. 1096 ...