It's a phenom for a reason

Theirs is a siren's call and I find them irresistible.  Unexpectedly so.

They're making me lose sleep.  They're stirring imagination and speculation and infatuation and the more I've tasted the more I want to devour.

A n y idea what in the world I'm talkin' about?  The sandman calleth or I'd explain.

:)

Revised:  {I loved your guesses, especially the WILD AND CRAZY!  But if you want the answer, click here!}