I noticed it hijacks the wake up when I put my computer to sleep, which is available with a key command (either command-option-power or command-option-eject dep

I noticed it hijacks the wake up when I put my computer to sleep, which is available with a key command (either command-option-power or command-option-eject depending on your keyboard) and using the energy saver system preference panel you can configure it to automatically lock after x amount of time.