Now you know why. Here’s the science, and they advocate tin foil hats too (well not quite but close enough).
Scientists decode brain farts
Up to 30 seconds before your goof, the brain starts acting abnormally
updated 5:14 p.m. MT, Mon., April. 21, 2008
We’ve all goofed up and flubbed up things we’ve previously done time and again.
It turns out the root of these brain farts may be a special kind of abnormal brain activity that begins up to 30 seconds before a mistake even happens.
The solution to such screw-ups could be a kind of mind-reading hat, a device to predict and even prevent mindless errors that can threaten lives.