None so weird as a non-dominant hemisphere stroke; those guys don't often believe they've had a stroke at all, and make an attempt to get out of bed.
Also, if you're interested in such things, look up 'visual neglect'. Often leads to people being quite literally, half-dressed...
(, Wed 28 Jan 2009, 12:06, Reply)
I see an educational half-hour on wikipedia ahead...
(, Wed 28 Jan 2009, 12:13, Reply)