Agreed.. I found my notification for witching hour came between the hours of 12 and 1am, the last couple popping up as the clock struck midnight. Graveyard shift is from reading between 1 and 5am
The Long Press doesn't seem to do anything on the Vox
And Off the Wall, instead of posting to facebook from the notifications window, try posting from inside the book, hold down on the page and instead of Annotate or Dictionary lookup (another non-award on the Vox it seems), Share to Facebook from there.. I think that's what did it for me