I suppose these guys believe in Horoscopes too: Sleep researchers in England claim the position you sleep in reveals your personality. According to the researchers, I'm brash and gregarious. Yeah, right. I used to be quiet and reserved until the snoring (keeps the bears away!) got too bad. Did my personality change?
I thing somebody thought if they issued a silly press release that was sure to be picked up by the media they'd get more attention (and funding!). Of course, I have no experimental data to back up that assertion, but then neither do they.