Getting Over The Body Signals While WILDing, Help .

Hello Everybody,
Doing fine with the MILD, but still having some problems with WILD, the biggest one is that I cant get over/Ignore the signals which is being sent by the body to the brain in order to make sure that the brain is sleeping, so the process of SP starts . I feel like the signals controls by brain easily, I got no least resistance with that even though I've tried to stay calm, focusing on any other things, once those signals hit my brain my heart starts beating and all goes back to Zero, any suggestions ?

Help appreciated :)