Mine play chase in the night and run like lightning into the my bedroom, up on the bed, only hitting 1 landing across it (usually on my nutz) and off the other side and u turn back out the door.I swear mine just sound like horses galloping up and down the hall! Until someone drifting the corner through the bedroom door misjudges and THUNKS into the doorframe!
Not a great way to be awakened with 2 10 pound cats landing on my junk.