...and it's confirmed: JA808A will be operating tonight's flight. It's a C42/Y198 config.
https://www.flightradar24.com/data/aircraft/ja808a
https://www.airfleets.net/ficheapp/plane-b787-34490.htm
Oh well, I'm sure if I medicate myself properly I'll still get a decent enough sleep.
Still no word from ANA...