BoscoPiko,
Our biological clock is something odd. The docs don't know much about our CH, but one thing they can see on scans during an attack. The Hypothalamus in our brain freaks out during an attack. The Hypothalamus regulates most anything that's on a cycle for our bodies. Wake, sleep but also sex, hunger, temperature some emotions and other things that follow a rhythm.
New doc definitely sounds in order. I've learned over the years that we're our own best advocate. It's rare that a doc actually listens
J