"Not everyone nods off after sex. The survey found 48 per cent of men had actually fallen asleep during the act itself.
A mere 11 per cent of women admitted being guilty of this."
Could alcohol have something to do with this?
That and a little Cannibas.
Google THIS if you really gotta know....
http://www.google.com/search?as_q=dead+kennedys+too+drunk&num=10&hl=en&btnG=Google+Search&as_epq=&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_occt=any&as_dt=i&as_sitesearch=&safe=images