Quote Originally Posted by VagalTone View Post
Idk if it this is important to this thread but if you close your eyes and roll them up you feel a little bit of relaxation. Ann Wise discovered that it produced a short lived alpha wave increase but enough to allow a quick relaxation response. Now may this give rise to a different outcome in a pre sleep state?
I do think its relevant, maybe a posible explanation for it acting as a trigger of some sort.

Concerning the ear thing, I've done some research and it seems there is no such muscle in the ears, but in the neck area, which has an effect on a little tube that joins these two and that makes that sound when the walls of the tube are close together and separated when making use of that muscle.