Sleep talking?

does your partner sleep walk and talk if so what do they do? my partner whom ive been wih for 6 years has done it all his life. the other night he made me sniff the quilt on our bed and asked me what it smelt of??? when i answed him he told me it didnt smell of softner it smelt of white???!?!?! it was very funny at the time. just wanted to no if silly things like that happen to any body else?