Move cursor one pixel to keep your PC awake

;--- SETTINGS -----------------------------------------------------------------
distance_x_px := 1
check_interval_secs := 60
minimum_idle_mins := 5

;--- MAIN LOOP ----------------------------------------------------------------
; If the user has been idle for 2.5 minutes time this script moves
; the mouse pointer left and right by distance_x_px in regular intervals
;
movement_x := distance_x_px
check_interval_millis := check_interval_secs * 1000
minimum_idle_millis := minimum_idle_mins * 30000

Loop {
        Sleep, 30000
        if (A_TimeIdle > minimum_idle_millis) {
        movement_x := -1 * movement_x
        MouseMove, %movement_x%, 0, 0, R
    }
}