Where do butteflies go at night?

Well? Is there some kind of huge butterfly convention, or something? Where do they go at night? - Jinx

I don’t know, but that sounds like a good title for a really sad song.

Where do butteflies go at night?

… they hang out with Evel Knievel …

Actually, as I suspected:

From http://butterflywebsite.com/faq.cfm#q15

Not sure of the reliability of this site but it seems like a pretty good answer.

And according to this site butterflies to not really sleep.