Now boarded. Proper gate rather than remote which helps. Will try and stay awake for a cup of tea and maybe some breakfast and then grab 90 minutes or so sleep.
Mustn't forget my laptop bag which I've stashed under the middle seat; exactly the sort of thing that I do, especially when in a rush. I lost two very good pairs of headphones on separate occasions when rushing to make connections in the US. Someone reminds me to make sure I take it...