My god I was surprised when I found this function, it's frickin' awesome. It allows you to sleep down to 100 nanoseconds! UDF: ; #FUNCTION#;=============================================================================== ; ; Name...........: _HighPrecisionSleep() ; Description ...: Sleeps down to 0.1 microseconds ; Syntax.........: _HighPrecisionSleep( $iMicroSeconds, $hDll=False) ; Parameters ....: $iMicroSeconds - Amount of microseconds to sleep ; $hDll - Can be supplied so