will came over just to stay one night and in this, they are only 6 so they can’t say words correctly so they will say mama dada, slwep, (which is short for sleep, but they say it wrong) or meany, or night night, will says mike’s name wrong, which he pronounces it mikei or they could also say it like this slweep - which once again is short for sleep for them 

Mike: oki! Let’s go! I have a scary movie to watch at night! It’s called Ghostbusters :D