i do wbtb every night and 80% of the time i ethier black out or i lie their completely awake and not feel any thing. i of course dont pay to much attention to how my body feels but wouldnt u attlest notice? also the few times that i did notice vibrations they went away imedently, also i get completely imersed in thought and forgget what im doing then snap back to reality, this normal? sorry for the bad gramar as english is not my first language.