I'm on this flight in a couple of months. It's the latest I've taken a TATL and I was wondering if there is any change in the service on board?

I was planning on eating something in the CCR at around 7pm, and then as close as possible to landing before getting to Manhattan and going to sleep. If I can help it I'll be staying awake for the full duration of the flight.

Does this seem like a good strategy? Or would I be better grabbing a couple of hours sleep after take off?