Why not ask if the Saturday kick-off times could be moved back to 4pm? The rapidly failing light would only add to the atmosphere whilst still allowing the visitors to get home at a reasonable hour.
Now that you're in, you should start annoying the Yanks by always referring to this season as the "Autumn" - maybe it'll annoy them as much as the opposite annoys us.
The winters there can be lethal - I remember seeing tv reports from Buffalo many years ago when snow was piled several metres deep and there were deaths.
Don't take sleeping pills - that only masks the symptoms. Try and address the root cause, then look to the internet for other peoples' experiences; there'll be plenty of them as its a commom probem. How old are you? You need less sleep in later life.