The sleep stuff is really interesting, I'll say that much. There was the one time (back when I was still trying to work 9-5 in the corporate world) when I overslept through my alarm ... until 2PM.

If you've got any form of the hypermobility, and you have joint pain, by the way, ask your doctor about Lidoderm -- they're topical lidocaine patches, and they work wonders for joint pain. They often mean the difference between getting out of bed and not getting out of bed.